- Zunbera-bō Japanese is Faceless ghost
- Zuijin Japanese is Tutelary spirit
- Zână Romanian is Nature spirit
- Zana e malit Albanian is Mountain fairy who bless warriors
- Zamzummim Jewish is Giant
- Žaltys Baltic is Serpentine fertility spirit
- Zahhak Persian is Dragon
- Yuxa Tatar is 100-year-old snake that transforms into a beautiful human
- Yūrei Japanese is Ghost
- Yuki-onna Japanese is Female snow spirit
- Yukinko Japanese is Childlike snow spirit
- Yuan Gui Chinese is Distressed ghost
- Zorigami Japanese is Animated clock
- Zombie Vodou/Worldwide is Re-animated corpse
- Zmiy is Slavic dragon
- Zmeu Romanian folklore is Giant with a habit of kidnapping young girls
- Zlatorog Slovenia is White golden-horned deer
- Ziz Jewish is Giant bird
- Zin West Africa is Water spirits
- Zilant Tatar is Flying chicken-legged reptile
- Žiburinis Lithuanian is Forest spirit in the form of a glowing skeleton
- Zhū Què Chinese is Fire elemental bird
- Zhulong Chinese is Pig-headed dragon
- Zhar-Ptitsa Slavic is Glowing bird
- Zennyo Ryūō Japanese is Rain-making dragon
- Zeus Greek is God of lightning and storms
- Zduhać Slavic mythology is Disembodied heroic spirit
- Zburator Romanian is Wolf-headed dragon
- Zashiki-warashi Japanese is House spirit
- Ypotryll Heraldic is Boar-camel-ox-serpent hybrid
- Yowie Australian Aboriginal is Nocturnal human-ape hybrid also Yahoo
- You Hun Ye Gui Chinese is Wandering ghost
- Yosuzume Japanese is Mysterious bird that sings at night sometimes indicating that the okuri-inu is near
- Yōsei Japanese is Fairy
- Yali Hinduism is Lion like creature often symbolic for protecting temples
- Yong is Korean dragon
- Yomotsu-shikome Japanese is Underworld hag
- Yōkai Japanese is Supernatural monster
- Yobuko Japanese is Mountain dwelling spirit
- Yilbegän Turkic is Either a dragon or a giant
- Yeti Himalayan is Mountain bigfoot
- Yamata no Orochi Japanese is Gigantic eight-headed serpent
- Yama-otoko Japanese is Mountain giant
- Yama-inu Japanese is Dog-like mountain spirit
- Yama-chichi Japanese is Monkey-like mountain spirit
- Yama-bito Japanese is Savage mountain-dwelling humanoid
- Yama-biko Japanese is Echo spirit
- Yama Yama East Asia and India is Wrathful god
- Yallery-Brown English is Nature spirit
- Yale Medieval Bestiaries is Antelope- or goat-like animal with swiveling horns
- Yakubyō-gami Japanese is Disease and misfortune spirit
- Yakshini Buddhist Hindu and Jainism is Female nature spirit
- Yakshi Keralite is Vampire
- Yaksha Buddhist Hindu and Jainism is Male nature spirit
- Yagyō-san Japanese is Demon who rides through the night on a headless horse
- Yadōkai Japanese is Malevolent nocturnal spirit
- Yacuruna Indigenous people of the Amazon is Mythical water people with backwards heads and feet
- Yeth hound English is Headless dog
- Yato-no-kami Japanese is Serpent spirits
- Yatagarasu Japanese is Three-legged crow of Amaterasu
- Yara-ma-yha-who Australian Aboriginal is Diminutive sucker-fingered vampire
- Yaoguai Chinese is Animalistic demon or fallen gods
- Yanari Japanese is Spirit which causes strange noises
- Yama-waro Japanese is Hairy one-eyed spirit
- Yama-uba Japanese is Malevolent mountain-dwelling hag
- Witch Worldwide is Person who practices magic
- Wirry-cow Scottish is Malevolent spirit
- Will-o'-the-Wisp Worldwide is Spectral fire
- Wild man European is Hairy bipedal man-like creature
- Whowie Australian Aboriginal is Giant frog-headed goanna with six legs
- White Lady Worldwide is Ghost of a murdered or mistreated woman
- Werewolf Worldwide is Wolf-human shapeshifter
- Werehyena Africa is Hyena-human shapeshifter
- Werecat Worldwide is Feline-human shapeshifter
- Wentshukumishiteu Inuit is Water spirit
- Wendigo Algonquian is Anthropophagous spirit
- Wekufe Mapuche is Demon
- Yacumama South America is Sea monster
- Xhindi Albanian is Elves
- Xiuhcoatl Aztec is Drought spirit
- Xing Tian Chinese is Headless giant
- Xiao mythology Chinese is Ape or four-winged bird
- Xelhua Aztec is Giant
- Xecotcovach Mayan is Bird
- Xanthus Greek
- Wu Tou Gui Chinese is Beheaded ghost
- Wulver Scottish is Wolf-headed humanoid spirit
- Wraith Scottish is Water spirit or ghostly apparition
- Wondjina Australia Aboriginal is Weather spirit
- Wolpertinger German is Forest animal comprised from various animal parts similar to a Chimera
- Witte Wieven Dutch is Female ancestral spirit
- Weiße Frauen German is Female spirit
- Wa-won-dee-a-megw Abenaki is Shapeshifting snail spirit
- Xana Asturian is Female water spirit
- Wyvern Germanic Heraldic is Flying reptile usually with two legs and two wings
- Wyrm is English dragon
- Wati-kutjara Australia Aboriginal is Goanna spirits
- Water sprite Alchemy is Water elemental
- Water monkey Chinese is Water spirit
- Wassan-mon-ganeehla-ak Abenaki is Aurora spirits
- Warlock Worldwide is Male witch
- Warg English and Scandinavian ON vargr is Giant demonic wolf
- Warak ngendog Indonesian Muslim is Egg-laying bird
- Wanyūdō Japanese is Demon in the form of a burning human-headed ox cart
- Wani Japanese is Crocodilian water monster
- Wana-games-ak Abenaki is Water spirits
- Waldgeist German is Forest spirit
- Vættir Norse is Nature spirit
- Vrykolakas Greek is Undead wolf-human hybrid
- Vodyanoy Slavic is Male water spirit
- Víðópnir Norse is Rooster that sits atop the tree
- Vision Serpent Mayan is Mystical dragon
- Viruñas Colombian is Handsome demon
- Vilkacis Latvian is Animalistic werewolf-like monster
- Vila Slavic is Weather spirit
- Vielfras German is Gluttonous dog-cat-fox hybrid
- Víbria Catalan is Dragon with breasts and an eagle's beak
- Vetala Hindu is Corpses possessed by vampiric spirits
- Věri Şělen is Chuvash dragon
- Veļi Latvian is Ghost shade formed after a death of a human
- Vedrfolnir Norse is Hawk sitting between the eyes of an eagle in the crown of the World Tree Yggdrasil
- Vardøger Scandinavian is Ghostly double
- Vârcolac Romanian is Vampire or werewolf
- Varaha Hindu mythology is Third Avatar of Vishnu in the form of a boar
- Vântoase Romanian is Female weather spirit
- Vanara Hindu is Human-ape hybrid
- Vampire Slavic is Reanimated corpse that feeds on blood
- Valravn Danish is Supernatural raven
- Vâlvă Romanian is Female nature spirit
- Valkyrie Norse is Female spirit that leads souls of dead warriors to Valhalla
- Vaibhavi Indian is Deadly snake
- Vahana Hindu is Divine mounts
- Vadātājs Latvian is Spirit that misleads people
- Uriaș Romanian is Giant
- Urayuli Native American is Hairy giant
- Ur Mandaean is King of the World of Darkness often portrayed as a dragon or snake
- Upinis Lithuanian is River spirit
- Unktehila Lakota is Reptilian water monster
- Unktehi Lakota is Serpentine rain spirit
- Unicorn Medieval Bestiaries is Horse-like creature with the legs of an antelope the tail of a lion and a single magical healing horn
- Unhcegila Lakota is Dragon
- Undine Alchemy is Water elemental
- Underwater panther Native American is Feline water spirit
- Undead Worldwide is Dead that behave as if alive
- Umi-nyōbō Japanese is Female sea monster who steals fish
- Umibōzu Japanese is Ghost of drowned priest
- Uma-no-ashi Japanese is Horse's leg which dangles from a tree and kicks passersby
- Uchek Langmeidong Meitei mythology is Semi human semi hornbill creature
- Ubume Japanese is Ghosts of women who died in childbirth
- Tzitzimitl Aztec is Skeletal star spirit
- Typhon Greek is Winged snake-legged giant
- Uwan Japanese is Spirit that shouts to surprise people
- Utukku Akkadian is ″Underworld messenger spirit″
- Ushi-oni Japanese is Bull-headed monster
- Urmahlullu Mesopotamian is Lion-human hybrid guardian spirit
- Toire-no-Hanakosan Japanese is Ghost who lurks in grade school restroom stalls
- Tōfu-kozō Japanese is Spirit child carrying a block of tofu
- Tlahuelpuchi Tlaxcalan is Shapeshifting vampire
- Tizheruk Inuit is Sea serpent
- Tiyanak Philippine is Demons that are souls of dead unbaptized babies
- Titan Greek is Primeval god
- Tipua Māori is Spirit that protects a specific place
- Timingila Hindu is Sea monster
- Tikoloshe Zulu is Little people and water spirit
- Tikbalang Philippine is Anthropomorphic horse
- Tigris Jewish is Giant lion
- Tigmamanukan Philippine is Asian fairy bluebird
- Tiddy Mun English is Bog spirit
- Tianlong Chinese is Celestial dragon
- Tiangou Chinese is Meteoric dog
- Thor Norse mythology is God of thunder and storm
- Thunderbird Native American is Avian lightning bird spirit
- Three-legged bird Asia and Africa is Solar bird
- Three hares Many cultures worldwide is Symbolic animal
- Theriocephalus Medieval folklore is Animal-headed humanoid
- Teumessian Fox Greek is Gigantic fox
- Terrible Monster Jewish is Lion-eagle-scorpion hybrid made from the blood of murder victims
- Tepegoz Azerbaijani is Azerbaijani mythical creature similar to the cyclops Polyphemus
- Tyger Heraldry is Like a real tiger but lacks stripes; has the tufted tail of a lion and a thick mane along the neck like a horse
- Turul Hungarian is Giant falcon that helped shape the origins of the Magyars
- Türst Swiss is legendary figure who turns people into dogs
- Turehu Māori is Pale spirit
- Tupilaq Inuit is Animated construct
- Tylwyth Teg Welsh is Nature spirit
- Tugarin Zmeyevich Slavic is Evil shapeshifter
- Tsurube-otoshi Japanese is Monster which drops or lowers a bucket from the top of a tree to catch people
- Tsurara-onna Japanese is Icicle woman
- Tsul 'Kalu Cherokee is Giant nature spirit
- Tsukumogami Japanese is Inanimate object that becomes animated after existing for 100 years
- Tsuchinoko Japanese is Plump snake-like creature
- Tsuchigumo Japanese is Shapeshifting giant spider
- Tsi-noo Abenaki is Vampiric demon
- Trow Orkney and Shetland is Little people and nature spirits
- Troll Norse is Nature spirit
- Tritons Greek is Male human-fish hybrid
- Tripurasura Hindu is Demonic inhabitants of Tripura
- Trickster is Character in a story which exhibits a great degree of intellect or secret knowledge and uses it to play tricks or otherwise disobey normal rules and conventional behaviour
- Trenti Cantabrian is Diminutive demon
- Trauco Chilota is Fertility spirit
- Trasgo Spanish and Portuguese is Grotesque mischievous little people
- Toyol Malay is Servant spirit
- Tōtetsu Japanese is Greed spirit
- Topielec Slavic is Water spirit
- Tomte Scandinavian is House spirit
- Tibicena Canarian is Evil dog
- Tailypo American Folklore Appalachia is Powerful animal that takes revenge on those who steal its tail
- Te-no-me Japanese is Ghost of a blind man with his eyes on his hands
- Tennin Japanese is Angelic humanoid
- Tengu Japanese is Anthropomorphic bird
- Tecumbalam Mayan is Bird
- Teju Jagua Guaraní is Lizard with seven dog heads
- Tavara Trabzon is Night-demon[citation needed]
- Tanuki Japanese is Shapeshifting raccoon dog
- Tantankororin Japanese is Unharvested persimmon which becomes a monster
- Taniwha Māori is Water spirit
- Tangie Scottish is Shapeshifting water spirit
- Talos Greek is Giant made of bronze
- Taka-onna Japanese is Female spirit which can stretch itself to peer into the second story of a building
- Takam Persian is Nature spirit
- Taimatsumaru Japanese is Tengu surrounded in demonic fire
- Tachash Jewish is Large land animal
- Syrictæ Medieval Bestiaries is Reptilian humanoid
- Syrbotae Medieval Bestiaries is African giant
- Sylvan Medieval folklore is Forest spirit
- Sylph Alchemy is Air elemental
- Swan maiden Worldwide is Swan-human shapeshifter
- The Swallower Ancient Egyptian is Crocodile-leopard-hippopotamus hybrid
- Svartálfar Norse is Cavern spirits; the Black Elves
- Svaðilfari Norse is Unnatural strong horse father of Sleipnir
- Taurokampoi Etruscan is Fish-tailed bull
- Tatsu is Japanese dragon
- Tatzelwurm is Alpine Folklore lizard-like creature often described as having the face of a cat with a serpent-like body which may be slender or stubby with four short legs or two forelegs
- Tatami-tataki Japanese is Poltergeist that hits the tatami mats at night
- Tartaruchi Christian is Demonic punisher
- Tartalo Basque is One-eyed giant
- Tarasque French is Dragon with leonine turtle bear and human attributes
- Tapairu Mangaia is Nature spirit
- Taotie Chinese is Greed spirit
- Taotao Mona Mariana Islands is Ancestral spirits
- Suzaku Japanese is Japanese version of the Chinese Vermillion Bird
- Surma Finnish is Hellhound
- Sunekosuri Japanese is Small dog- or cat-like creature that rubs against a person's legs at night
- Sunakake-baba Japanese is Sand-throwing hag
- Spriggan Cornish is Guardians of graveyards and ruins
- Sudice Slavic is Fortune spirit
- Succubus Medieval folklore is Female night-demon
- Suangi New Guinea is Cannibalistic sorcerer
- Stymphalian Bird Greek is Metallic bird
- Stuhać Slavic is Malevolent mountain spirit
- Strzyga Slavic is Vampiric undead
- Struthopodes Medieval Bestiaries is Humanoid whose males have enormous feet and females have tiny feet
- Strix Roman is Vampiric bird
- Strigoi Romanian is Vampire
- Stihi Albanian is Demonic dragon who guards a treasure
- Squonk American is Ugly and lonely creature capable of evading capture by dissolving itself into a pool of tears
- Sprite Medieval folklore is little people ghosts or elves
- Sköll Norse is Wolf that chases the Sun
- Skogsrå Scandinavian is Forest spirit
- Skin-walker American Indian is Animal-human shapeshifter
- Sjövættir Norse is Sea spirit
- Sjörå Norse is Freshwater spirit
- Si-Te-Cah Paiute is Red-haired giants
- Sisiutl American Indian is Two-headed sea serpent
- Spirit is Ghosts
- Spiriduş Romanian is Little people
- Sphinx Greek is Winged woman-headed lion
- Spectre Worldwide is Terrifying ghost
- Spearfinger Cherokee is Sharp-fingered hag
- Soucouyant Trinidad and Tobago is Vampiric hag who takes the form of a fireball at night
- Skrzak Slavic is Flying imp
- Skeleton Medieval folklore is Living skeletons
- Skookum Chinook Jargon is Hairy giant
- Sirrush Akkadian is Dragon with aquiline hind legs and feline forelegs
- Sirin Slavic is Demonic human-headed bird
- Siren Greek is Human-bird hybrid
- Sint Holo Choctaw is Serpentine rain spirit
- Singa Batak is Feline animal
- Simurgh Persian is Dog-lion-peacock hybrid
- Simargl Slavic is Winged dog
- Sileni Greek is Bald fat thick-lipped and flat-nosed followers of Dionysus
- Sigbin Philippine is Goat-like vampire
- Sōtangitsune Japanese is Fox spirit from Kyoto
- Sorobanbōzu Japanese is Ghost with an abacus
- Soraki-gaeshi Japanese is Sound of trees being cut down when later none seem to have been cut
- Soragami Japanese is Ritual disciplinary demon
- Sōgenbi Japanese is Fiery ghost of an oil-stealing monk
- Sodehiki-kozō Japanese is Invisible spirit which pulls on sleeves
- Snow Lion Tibetan is Celestial animal
- Sluagh Irish and Scottish is Restless ghost
- Sleipnir Norse is Eight-legged horse
- Sky Women Polish is Weather spirit
- Senpoku-Kanpoku Japanese is Human-faced frog which guides newly deceased souls to the graveyard
- Selkie Faroese Icelandic Irish and Scottish is Human-seal shapeshifter
- Seko Japanese is Water spirit which can be heard making merry at night
- Sea-Wyvern Heraldic is Fish-tailed wyvern
- Sea serpent Worldwide is Serpentine sea monster
- Sea monster Worldwide is Giant marine animals
- Sea monk Medieval folklore is Fish-like humanoid
- Sea-lion
- Sea-bee Heraldic is Fish-tailed bee
- Scylla Greek is Human-snake hybrid with a snake's tail twelve legs and six long-necked snake heads
- Shachihoko Japanese is Tiger-carp hybrid
- Serpopard Ancient Egypt is Serpent-leopard hybrid
- Serpent Worldwide is Snake spirit
- Seps Medieval Bestiaries is Snake with corrosive venom
- Scorpion Man Sumerian is Human-scorpion hybrid
- Scitalis Medieval Bestiaries is Snake which mesmerizes its prey
- Sceadugenga English is Shapeshifting undead
- Sazae-oni Japanese is Shapeshifting turban snail spirit
- Satyrus Medieval Bestiary is Apes who always bear twins one the mother loves the other it hates
- Satyr Greek is Human-goat hybrid and fertility spirit
- Satan Heaven-Abrahamic mythology is Ruler of Hell
- Satori Japanese is Mind-reading humanoid
- Sarugami Japanese is Wicked monkey spirit who was defeated by a dog
- Sarngika Hindu is Bird spirit
- Sarimanok Philippine is Bird of good fortune
- Sânziană Romanian is Nature spirit
- Santa Claus North Pole-European folklore is Elderly man who delivers gifts to well-behaved children on the night of Christmas Eve
- Santelmo Philippine is Spirits in the form of fireballs that roam around the forest
- Sango South Western Nigeria is Yoruba king of arts music dance and entertainment
- Sídhe is Irish and Scottish is Ancestral or nature spirit
- Shuten-dōji Japanese is Ruler of the Oni
- Shunoban Japanese is Red-faced ghoul
- Shug Monkey English is Dog/monkey
- Shui Gui Chinese is Drowned ghost
- Shtriga Albanian is Vampire witch that feeds on children
- Shōkera Japanese is Creature that peers in through skylights
- Shōjō Japanese is Red-haired sea-sprites who love alcohol
- Shishi Chinese is Protective animal
- Shisa Japanese is Lion-dog hybrid
- Shiryō Japanese is Spirit of a dead person
- Shirouneri Japanese is Animated mosquito netting or dust cloth
- Shiro-bōzu Japanese is White faceless spirit
- Shinigami Japanese is "Death god"
- Shikome Japanese is Underworld hag
- Shang-Yang Chinese is Rain bird
- Shaitan Islam is Islamic version of the Devil Satan from the Bible
- Shahbaz Persian is Giant eagle or hawk
- Shadow People American is Malevolent ghost
- Shade Worldwide is Spiritual imprint
- Shiki-ōji Japanese is Child-sized servant spirit
- Shikigami Japanese is Servant spirit
- Shibaten Japanese is Water spirit from Shikoku
- Shenlong Chinese is Weather dragon
- Shen Chinese is Shapeshifing sea monster
- Shellycoat English Scottish and German as schellenrocc is Water spirit
- Shedu Akkadian and Sumerian is Protective spirit who takes the form of a winged bull or human-headed lion
- Shedim Jewish is Chicken-legged demon
- Ramidreju Cantabrian is Extremely long weasel-like animal
- Rakshasa Buddhist and Hindu is Shapeshifting demon
- Rainbow Serpent Australian Aboriginal is Snake
- Rainbow Fish Hindu is Whale-sized multi-colored fish
- Rainbow crow Lenape is Crow spirit
- Rain Bird Native American is Rain spirit
- Raijū Japanese is Lightning spirit
- Saci Brazilian is One-legged nature spirit
- Ryū is Japanese dragon
- Raystown Ray American Folklore is Possible plesiosaur or serpent
- Ratatoskr Norse is Squirrel spirit
- Raven Spirit Native American Norse and Siberian is Trickster spirit
- Raven Mocker Cherokee is Life-draining spirit
- Raróg Slavic is Whirlwind spirit
- Ragana Lithuanian is Malevolent witch
- Radande Swedish is Tree spirit
- Rabisu Akkadian is Vampiric spirit that ambushes people
- Rå Norse is Spirit that protects a specific place
- Quinotaur Frankish is Five-horned bull
- Quetzalcoatl Aztec is Important Aztec god whose name means "feathered serpent"; he is not to be confused with the quetzal a type of bird
- Questing Beast Arthurian legend is Serpent-leopard-lion-hart hybrid
- Qliphoth Jewish is Evil spirits
- Qiqirn Inuit is Large bald dog spirit
- Qilin Chinese is Dragon-ox-deer hybrid
- Qalupalik Inuit mythology is Aquatic human abductor
- Python Greek is Serpentine dragon
- Sandman Northern Europe is Nursery spirit that induces sleep in children
- Sampati Hindu is The demigod Jatayu's brother
- Samodiva Slavic is Nature spirit
- Samebito Japanese is Shark-man servant of the dragon king of the sea
- Salamander Alchemy is Fire elemental
- Sakabashira Japanese is Haunted pillar installed upside-down
- Sagari Japanese is Horse head that dangles from trees on Kyūshū
- Rusalka Slavic is Female water spirit
- Rougarou French America is Human-wolf shapeshifter
- Rồng is Vietnamese dragon
- Rephaite Jewish is Giant
- Reichsadler Heraldic is Eagle sometimes depicted with two heads
- Re’em Jewish is Gigantic land animal
- Redcap English is Evil ugly humanoid
- Rompo Africa and India is Skeletal creature with elements of a rabbit badger and bear
- Rokurokubi Japanese is Long-necked humanoid trickster
- Roc Arabian and Persian is Gigantic bird
- Revenant Medieval folklore is Reanimated dead
- Reptilian humanoid Global is Human-lizard hybrid
- Pim-skwa-wagen-owad Abenaki is Water spirit
- Pillan Mapuche is Nature spirit
- Pictish Beast Pictish stones is Stylistic animal possibly a dragon
- Piatek Armenian is Large land animal
- Piasa Native American mythology is Winged antlered feline-like dragon
- Phoenix Phoenician is Regenerative bird reborn from its own ashes
- Phi Tai Hong Thai is Ghost of a person who has died suddenly of a violent or cruel death
- Peuchen Chilota and Mapuche is Vampiric flying shapeshifting serpent
- Pixie Cornish is Little people and nature spirits
- Pita-skog Abenaki is Serpentine rain spirit
- Pishtaco Peru is Monster man that steals its victim's body fat for cannibalistic purposes
- Pishacha Hindu is Carrion-eating demon
- Piru Finnish is Minor demon
- Pesanta Catalan is Nightmare demon in the form of a cat or dog
- Peryton Allegedly Medieval folklore is Deer-bird hybrid
- Pegasus Greek is Winged horse
- Pegaeae Greek is Spring nymph
- Pech Scottish is Strong little people
- Patupairehe Māori is White-skinned nature spirits
- Patasola Latin America is Anthropophagous one-legged humanoid
- Pyrausta Greek is Insect-dragon hybrid
- Púki Icelandic is Malevolent little person
- Púca Welsh is Shapeshifting animal spirit
- Psychopomp Greek is Creatures spirits angels or deities in many religions who escort newly deceased souls from Earth to the afterlife
- Psychai Greek is Butterfly-winged nymphs daughters of Psyche
- Psotnik Slavic is Mischievous spirit
- Pixiu Chinese is Winged lion
- Peri Persian is Winged humanoid
- Penghou Chinese is Tree spirit
- Peng Chinese is Giant bird
- Penanggalan Malay is Vampires that sever their heads from their bodies to fly around usually with their intestines or other internal organs trailing behind
- Peluda French is Dragon
- Pelesit Malay is Servant spirit
- Pegacorn is Pegasus-unicorn hybrid
- Patagon Medieval folklore is Giant race reputed to live in the area of Patagonia
- Pygmy Greek is Little people
- Puckwudgie Native American mythology is Troll-like gray-skinned being
- Pūķis Latvian is Dragon
- Puk Frisian is House spirit
- Pugot Philippine is Headless humanoid
- Putz German is House spirit
- Puck English is House spirit
- Psoglav Serbia is Dog-headed monster
- Pricolici Romanian is Roman is Undead wolf
- Poltergeist German is Ghost that moves objects
- Polong Malay is Invisible servant spirit
- Pollo Maligno Colombian is Man-eating chicken spirit
- Polevik Polish is Little people and field spirits
- Pok-wejee-men Abenaki is Tree spirit
- Plakavac Slavic is Vampire created when a mother strangles her child
- Pi yao Chinese is Horned dragon-lion hybrid
- Preta Buddhist Hindu and Jain is Ghosts of especially greedy people
- Poukai Māori is Giant bird
- Pope Lick Monster American Folklore Kentucky Urban Legend is Cryptid a murderous creature that is part man sheep and goat
- Pontianak Malay is Undead vampiric women who died in childbirth
- Ponaturi Māori is Grotesque malevolent humanoid
- Pombero Guaraní is Wild man and nature spirit
- Osiris Hellenized is God of the dead and the judge of the underworld
- Orthrus Greek is Two-headed dog
- Orphan Bird Medieval Bestiaries is Peacock-eagle-swan-crane hybrid
- Orobas European is Horse-headed honest oracle classed as a demon
- Ork Tyrolean is Little people and house spirits
- Oread Greek is Mountain nymph
- Ördög Hungarian is Shapeshifting demon
- Orang Minyak Malay is Spectral rapist
- Orang Bunian Malay is Forest spirit
- Opinicus Heraldic is Lion-eagle hybrid similar to a griffin but with leonine forelimbs
- Ophiotaurus Greek is Bull-serpent hybrid
- Oozlum bird Unknown origin is Bird that flies backwards
- Onza Aztec and Latin American folklore is Wild cat possibly a subspecies of cougar
- Onryō Japanese is Vengeful ghost that manifests in a physical rather than a spectral form
- Onoskelis Greek is Shapeshifting demon
- Onocentaur Medieval Bestiaries is Human-donkey hybrid
- Pardalokampoi Etruscan is Fish-tailed leopard
- Pard Medieval Bestiaries is Fast spotted feline believed to mate with lions to produce leopards
- Parandrus Medieval Bestiaries is Shapeshifting animal whose natural form was a large ruminant
- Panther Medieval Bestiaries is Feline with sweet breath
- Panotti Medieval Bestiaries is Humanoid with gigantic ears
- Panlong Chinese is Water dragon
- Panis Hindu is Demons with herds of stolen cows
- Pandi Medieval Bestiary is White-haired humanoid with giant ears and eight fingers and toes
- Panes Greek is Human-goat hybrids descended from the god Pan
- Pamola Abenaki is Weather spirit
- Paasselkä devils Finnish is Spectral fire
- Owlman Cornish is Owl-like humanoid
- Ovinnik Slavic is Malevolent threshing house spirit
- Ouroboros Worldwide is Mystic serpent/dragon that eats its own tail
- Otso Finnish is Bear spirit
- Oshun Nigeria is God of love and fertility
- Obake Japanese is Shapeshifting spirits
- Nymph Greek is Nature spirit
- Nykštukas Lithuanian is Cavern spirit
- Nyami Nyami Tonga Zimbabwean mythology is Snake-spirit of the Zambezi River
- Nurikabe Japanese is Spirit that manifests as an impassable invisible wall
- Nure-onna Japanese is Female monster who appears on the beach
- Nurarihyon Japanese is Head-sized ball-like creature that floats in the sea and teases sailors
- Nuppeppo Japanese is Animated chunk of dead flesh
- Nuno Philippine is Malevolent little people
- Numen Roman is Tutelary spirit
- Nozuchi Japanese is Small sea serpent
- Noppera-bō Japanese is Faceless ghost
- Ole-Higue Guyanese is Vampiric hag who takes the form of a fireball at night
- Okuri-inu Japanese is Dog or wolf that follows travelers at night similar to the Black dog of English folklore
- Ōkubi Japanese is Death spirit
- Okiku Japanese is Spirit of a plate-counting servant girl associated with the "Okiku-Mushi" worm
- Obia West Africa is Gigantic animal that serves witches
- Obayifo Ashanti is Vampiric possession spirit
- Obariyon Japanese is Spook which rides piggyback on a human victim and becomes unbearably heavy
- Nuli Medieval Bestiary is Humanoid with backwards eight-toed feet
- Nuku-mai-tore Māori is Forest spirit
- Nukekubi Japanese is Disembodied flying head that attacks people
- Nü Gui Chinese is Vengeful female ghost
- Nue Japanese is Monkey-raccoon dog-tiger-snake hybrid
- Nuckelavee Scottish is Malevolent human-horse-fish hybrid
- Onmoraki Japanese is Bird-demon created from the spirits of freshly dead corpses
- Onibi Japanese is Spectral fire
- Oni Japanese is Large grotesque humanoid demon usually having red skin and horns
- Ōmukade Japanese is Giant human-eating centipede that lives in the mountains
- Ojáncanu Cantabrian is Giant cyclops who embodies evil
- Oiwa Japanese is Ghost of a woman with a distorted face who was murdered by her husband
- Ogopogo Canadian Canadian Lake Monster
- Og Jewish is Giant king of the Amorites
- Odmience Slavic is Changeling
- Odin Norse mythology is King of Asgard
- Odei Basque is Storm spirit
- Oceanid Greek is Nymph daughters of Oceanus
- Ogre Medieval folklore is Large grotesque humanoid
- Ogun Nigeria is Iron god for the Yoruba people South Western Nigeria
- N-dam-keno-wet Abenaki is Fish-human hybrid
- Nawao Hawaiian is Savage humanoid
- Nav' Slavic is Ghost
- Nasnas Arabian is Half-human half-demon creature with half a body
- Nargun Gunai is Water monster
- Nariphon Thai is Pod people
- Narecnitsi Slavic is Fate spirit
- Narasimha Hindu mythology is Avatar of Vishnu in the form of half-man/half-lion
- Napaeae Greek is Grotto nymph
- Nanom-keea-po-da Abenaki is Earthquake spirit
- Nang Takian Thai is Tree spirit
- Nando-baba Japanese is Old woman who hides under the floor in abandoned storerooms
- Namazu Japanese is Giant catfish whose thrashing causing earthquakes
- Namahage Japanese is Ritual disciplinary demon from the Oga Peninsula
- Näkki Finnish is Water spirit
- Naiad Greek is Freshwater nymph
- Nagual Mesoamerica is Human-animal shapeshifter
- Naga fireballs Thai is Spectral fire
- Nāga Buddhist and Hindu is Nature and water spirits serpentine or human-serpent hybrids
- Nachzehrer German is Anthropophagous undead
- Myrmecoleon Medieval bestiaries is Ant-lion hybrid
- Myling Scandinavian folklore is Ghosts of unbaptized children
- Nocnitsa Slavic is Nightmare spirit
- Nobusuma Japanese is Supernatural wall also a monstrous flying squirrel
- Nix Germanic is Female water spirit
- Nivatakavachas Hindu is Ocean demon
- Níðhöggr Norse is Dragon
- Nisse Scandinavian is House spirit
- Ninki Nanka Western Africa is Large reptile possibly a dragon
- Ningyo Japanese is Monkey-fish hybrid
- Nimerigar Shoshone is Aggressive little people
- Nikusui Japanese is Monster which appears as a young woman and sucks all of the flesh off of its victim's body
- Nightmarchers Hawaiian is Warrior ghosts
- Night hag Worldwide is Supernatural creature commonly associated with the phenomenon of sleep paralysis
- Negret Catalan is Little people that turn into coins
- Neck Germanic mythology is Female water spirit
- Neptune Roman mythology is God of freshwater and sea
- Nian Chinese is Predatory animal
- Nguruvilu Mapuche is Fox-like water snake
- Ngen Mapuche is Nature spirit
- Nereid Greek is Nymph daughters of Nereus
- Nephilim Abrahamic mythology is Gigantic sons of Grigori and human women
- Nemean Lion Greek is Lion with impenetrable skin
- Nekomusume Japanese is Cat in the form of a girl
- Nekomata Japanese is Split-tailed magical cat
- Mormolykeia Greek is Underworld spirit
- Morinji-no-okama Japanese mythology is Animated tea kettle
- Morgens Breton and Welsh mythology is Water spirits
- Mora Slavic mythology is Disembodied spirit
- Moon rabbit Far Eastern folklore is Legendary animal
- Mooinjer veggey Manx folklore is Nature spirit
- Mushusshu Mesopotamian mythology
- Muse Greek mythology is Spirits that inspire artists
- Muscaliet Medieval bestiaries is Hare-squirrel-boar hybrid that has an intense body heat
- Mungoon-Gali Australian Aboriginal is Giant goanna
- Muma Pădurii Romanian folklore is Forest-dwelling hag
- Mo-sin-a Taiwanese folklore is Mountain demon
- Moroi Romanian is Vampiric ghost
- Monopod Medieval bestiaries is Dwarf with one giant foot
- Mono Grande South America is Giant monkey
- Monocerus Medieval bestiaries is One-horned stag-horse-elephant-boar hybrid sometimes treated as distinct from the unicorn
- Moñái Guaraní mythology is Giant snake with antennae
- Mokorea Polynesian mythology is Amphibious humanoid living in the spirit world underground world
- Mokoi Australian Aboriginal mythology is Malevolent spirit that kills sorcerers
- Mermaid/Merman multiple cultures is Human-fish hybrid
- Musimon Heraldic is Sheep-goat hybrid
- Mummy Egyptian is Undead creature who revives
- Multo Philippine mythology is Spirit of a deceased person seeking justice or has unfinished business
- Muldjewangk Australian Aboriginal mythology is Water monster
- Mujina Japanese mythology is Shapeshifting badger spirit
- Mugwump Canadian folklore is Fish-like lake monster
- Mothman American folklore is Large grey winged humanoid with glowing red eyes
- Moss people Continental Germanic mythology is Little people and tree spirits
- Mokèlé-mbèmbé Congo is Water-dwelling creature
- Minokawa Philippine is Giant swallow
- Minka Bird Australian Aboriginal mythology is Death spirit
- Mimi Australian Aboriginal mythology is Extremely elongated humanoid that has to live in rock crevasses to avoid blowing away
- Metee-kolen-ol Abenaki mythology is Ice-hearted wizards
- Merrow Irish mythology and Scottish is Human-fish hybrid
- Merlin English mythology is Elderly wizard
- Mohan Latin American folklore is Nature spirit
- Mogwai Chinese mythology is Vengeful ghost or demon
- Mizuchi Japanese mythology is Water dragon
- Misi-kinepikw Cree is Serpentine rain spirit
- Misi-ginebig Ojibwa is Serpentine rain spirit
- Mishibizhiw Ojibwa is Feline water spirit
- Minotaur Greek mythology is Human-bull hybrid
- Mallt-y-Nos Welsh mythology is Spirit of the hunt
- Makura-gaeshi Japanese mythology is Pillow-moving spirit
- Makara Indian mythology is Aquatic beings
- Majitu is in Swahili mythology shape-shifting spirits that can pass as humans
- Mājas gari Latvian mythology is Benevolent house spirit
- Mairu Basque mythology is Megalith-building giant
- Maha-pudma Hindu mythology is Giant elephant that holds up the world
- Magog English folklore is Giant protector of London
- Mandi Medieval bestiaries is Humanoid with a forty-year lifespan
- Manananggal Philippine mythology is Vampires that sever their torsos from their legs to fly around
- Mami Wata Africa and the African diaspora is Supernaturally beautiful water spirits
- Maero Māori is Savage arboreal humanoids
- Madremonte Colombian folklore is Nature guardian
- Lynx Medieval Bestiaries is Feline guide spirit
- Lyngbakr
- Lutin French is Amusing goblin
- Lusca is Sea Monster
- Luison Guaraní is Werewolf | Cadaver-eating dog
- Lugat Albanian is Vampire
- Luduan Chinese is Truth-detecting animal
- Menehune Hawaiian mythology is Little people and craftsmen
- Melusine Medieval folklore is Female water spirit with the form of a winged mermaid or serpent
- Meliae Greek mythology is Ash tree nymph
- Melek Taus- biblical bird
- Medusa Greek mythology is Serpent-female hybrid Gorgon with numerous snake heads
- Mbwiri Central Africa is Possessing demon
- Mbói Tu'ĩ Guaraní mythology is Snake-parrot hybrid
- Mazzikin Jewish mythology is Invisible malevolent spirit
- Mayura Hindu mythology is Peacock spirit
- Mannegishi Cree is Little people with six fingers and no noses
- Manes Roman mythology is Ancestral spirits
- Mandrake Medieval folklore is Diminutive animated construct
- Madam Koi Koi West African Mythology is Female ghost
- Macrocephali Medieval bestiaries is Giant-headed humanoid
- Machlyes Medieval bestiaries is Hermaphroditic humanoid
- Maa-alused Estonian mythology is Subterranean spirit
- Merlion Singapore is Combination of a lion and a fish the symbol of Singapore
- Menninkäinen Finnish mythology is Little people and nature spirits
- Matsya Hindu mythology is First Avatar of Vishnu in the form of a half-fish and half-man
- Matagot French mythology is Spirit that takes animal form; usually that of a black cat
- Marid Arabian mythology is Jinn associated fortune tellers
- Mares of Diomedes Greek mythology is Man-eating horses
- Mareikura Tuamotu is Attendant of Kiho-tumu the supreme god
- Mare Germanic and Slavic folklore is Malicious entity of dream
- Marabbecca Italian folklore is Malevolent water spirit
- Mara Scandinavian folklore is Female night-demon
- Mapinguari Brazilian mythology is Giant sloth
- Manticore Persian mythology is Lion-human-scorpion hybrid
- Maski-mon-gwe-zo-os Abenaki mythology is Shapeshifting toad spirit
- Maro deivės Lithuanian mythology is Disease spirits
- Marmennill Norse mythology is Mermen with prophetic abilities
- Lilitu Assyrian is Winged demon
- Lilin Jewish is Night-demoness
- Likho Slavic is One-eyed hag or goblin
- Lightning Bird Southern Africa is Magical bird found at sites of lightning strikes
- Lietuvēns Latvia – Soul of a murdered person
- Lidérc Hungary is Magical chicken that transforms into a humanoid
- Libyan Satyr Medieval Bestiaries is Human-goat hybrid
- Libyan Aegipanes Medieval Bestiaries is Human-horse hybrid
- Leyak Balinese is Anthropophagous flying head with entrails
- Leviathan Jewish is Sea monster seen in Job 41
- Lubber fiend English is House spirit
- Loveland frog American Folklore Ohio is Cryptid Humanoid Frog
- Loup-garou French is Werewolf
- Lou Carcolh French is Snake-mollusk hybrid
- Loogaroo French America is Shapeshifting female vampire
- Long Ma Chinese is Dragon-horse hybrid
- Longana Italian is Female human-goat hybrid and water spirit
- Ljósálfar Norse is Sunlight spirits; the Light Elves
- Lindworm Germanic is Dragon
- Limnades Greek is Lake nymph
- Leucrota Medieval Bestiary is Crocotta-lion hybrid
- Leuce Greek is White poplar tree nymph
- Leszi Slavic is Tree spirit
- Lóng is Chinese dragon
- Lo-lol Abenaki is Hideous monster
- Loki Norse mythology is God of night
- Loch Ness Monster Scottish is Serpentine sea monster
- Llamhigyn Y Dwr Welsh is Frog-bat-lizard hybrid
- Ljubi Albanian is Demoness
- Landvættir Norse is Nature spirits
- Lampades Greek is Underworld nymph
- La Mojana Colombian is Shapeshifting female water spirit
- Lamiak Basque is Water spirit with duck-like feet
- Leprechaun Irish is Cobbler spirit
- Leontophone Medieval Bestiary is Tiny animal poisonous to lions
- Leokampoi Etruscan is Fish-tailed lion
- Lares Roman is House spirit
- Langmeidong Meitei mythology is Semi human semi hornbill creature
- Lamia Greek is Child-devouring monster
- Lambton Worm English is Giant worm
- Lamassu Akkadian and Sumerian is Protective spirit with the form of a winged bull or human-headed lion
- La Llorona Latin America is Death spirit associated with drowning
- Lakhey Nepalese is Demon with fangs
- Lake monster Worldwide is Gigantic animals reported to inhabit various lakes around the world
- Lakanica Slavic is Field spirit
- Laestrygonians Greek is Anthropophagic giants
- Leimakids Greek is Meadow nymph
- Leanashe Irish is Possessing spirit or vampire
- Leanan sidhe Celtic is Fairy lover
- Lavellan Scottish is Gigantic water rat
- Lauma Baltic is Sky spirit
- Laukų dvasios Lithuanian is Field spirit
- Lava bear is Miniature bear thought to inhabit the lava beds of south central Oregon
- La Tunda Colombian is Nature spirit that seduces and kills men
- La Sayona Venezuela is Female ghost that punishes unfaithful husbands
- Kukwes Mi'kmaq is Large hairy greedy human-eating bipedal monsters whose scream can kill
- Kukudhi Albanian is Female demon who spreads sickness
- Kui Chinese is One-legged monster
- Laelaps Greek is Enchanted dog that always caught his prey
- Kupua Hawaiian is Shapeshifting tricksters
- Kun Chinese is Giant fish
- Kumiho Korean is Fox spirit
- Kumakatok Philippine is Death spirits
- Kulshedra Albanian is Drought-causing dragon
- Kudan Japanese is Human-faced calf which predicts a calamity before dying
- Kuda-gitsune Japanese is Miniature fox spirit
- Kuchisake-onna Japanese is Vengeful ghost of a woman mutilated by her husband
- Kubikajiri Japanese is Female corpse-chewing graveyard spirit
- Kuarahy Jára Guaraní is Forest spirit
- Krampus Germany is Christmas Devil who punishes badly-behaved children
- Krasue Southeast Asian is Vampiric floating head
- Krasnoludek Slavic is Little people nature spirits
- Ladon Greek is Dragon guarding the golden apples of the Hesperides
- Lady midday Slavic is Sunstroke spirit
- Labbu Akkadian is Sea snake
- La-bar-tu Assyrian is Disease demon
- Kyūketsuki Japanese is Vampire
- Kyūbi-no-kitsune Japanese is Nine-tailed fox
- Kyourinrin Japanese is Animated scroll or paper
- Kye-ryong Korean is Chicken-lizard hybrid
- Kushtaka Tlingit is Shapeshifting "land otter man"
- Kurupi Guaraní is Wild man and fertility spirit
- Kurma Hindu mythology is Second avatar of Vishnu in the form of a Turtle
- Kurage-no-hinotama Japanese is Jellyfish which floats through the air as a fireball
- Kurabokko Japanese is Guardian spirit of a warehouse
- Kesaran-pasaran Japanese is Mysterious white fluffy creature
- Kijo Japanese is She-devil
- Kijimunaa Japanese is Tree sprite from Okinawa
- Kholomodumo Sotho is Gluttonous monster that was one of the first beasts of creation
- Kigatilik Inuit is Night-demon
- Khyah Nepalese is Fat hairy ape-like creature
- Colchis bull Greek is Bronze-hoofed bulls
- Keythong Heraldic is Wingless griffin
- Keukegen Japanese is Disease spirit
- Ker Greek is Female death spirit
- Kelpie Irish and Scottish is Malevolent water horse
- Kekkai Japanese is Amorphous afterbirth spirit
- Katallan Albanian is Man-eating giant
- Katsura-otoko Japanese is Handsome man from the moon
- Katawa-guruma Japanese is Woman riding on a flaming wheel
- Konaki-jiji Japanese is Infant that cries until it is picked up then increases its weight and crushes its victim
- Komainu Japanese is Protective animal
- Kokakuchō Japanese is Ubume bird
- Ko-gok Abenaki is Hideous monster
- Kofewalt Germanic is House spirit
- Kinnara Hindu is Human-bird hybrid
- Killmoulis English and Scottish is Ugly mischievous mill spirit
- Kikimora Slavic is Female house spirit
- Kee-wakw Abenaki is Half-human half-animal cannibalistic giant
- Keelut Inuit is Hairless dog
- Ke'lets Chukchi mythology is Ogre or evil spirit
- Kawa-zaru Japanese is Smelly cowardly water spirit
- Kawa-uso Japanese is Supernatural river otter
- Kaukas Lithuanian is Nature spirit
- Kraken Scandinavian is Sea monster
- Korrigan Breton is Little people and nature spirits
- Koro-pok-guru Ainu is Little people
- Konoha-tengu Japanese is Bird-like creature
- Kodama Japanese is Tree spirit
- Kobold German is Little people and mine or house spirits
- Kobalos Greek is Goblin like thieves and tricksters
- Knocker folklore Cornish and Welsh is Little people and mine spirits
- Klabautermann German is Ship spirit
- Kiyohime Japanese is Woman who transformed into a serpentine demon out of the rage of unrequited love
- Kitsune-Tsuki Japanese is Person possessed by a fox spirit
- Kitsune Japanese is Fox spirit
- Kishi Angola is Malevolent two-faced seducer
- Kirin Japanese is Japanese Unicorn
- Kin-u Japanese is Bird
- Knucker English is Water dragon
- Kami Japanese is Nature spirit
- Kamatayan Philippine is Philippine counterpart of Death
- Kamaitachi Japanese is Wind spirit
- Kallikantzaroi Greek is Grotesque malevolent spirit
- Kalakeyas Hindu is Descendants of Kala
- Kajsa Scandinavian is Wind spirit
- Kahaku Japanese is Little people and water spirits
- Kachina Hopi and Puebloan is Nature spirit
- Kabouter Dutch is Little people that live underground in mushrooms or as house spirits
- Jumbee Guyanese is Malevolent spirit
- Jujak Korean is Bird
- Jötunn Norse is Gigantic nature spirits
- Jotai Japanese is Animated folding screen cloth
- Jorōgumo Japanese is Spider woman
- Jörmungandr Norse is Sea serpent
- Jogah Iroquois is Little people nature spirit
- Jiu tou niao Chinese is Nine-headed demonic bird
- Jiufeng Chinese is Nine-headed bird worshiped by ancient natives in Hubei Province
- Kashanbo Japanese is Kappa who climb into the mountains for the winter
- Kasha Japanese is Cat-like demon which descends from the sky and carries away corpses
- Kasa-obake Japanese is Animated parasol
- Karzełek Polish is Little people and mine spirits
- Karura Japanese is Eagle-human hybrid
- Karkinos Greek is Giant crab
- Karkadann Persian is One-horned giant animal
- Karasu-tengu Japanese is Tengu with a bird's bill
- Karakura Turkish is Male night-demon
- Karakoncolos Bulgarian and Turkish also in Bosnia and Herzegovina and Serbia known as Karanđoloz is Troublesome spirit
- Kapre Philippine is Malevolent tree spirit
- Kappa Japanese is Little people and water spirit
- Kanedama Japanese is Money spirit
- Kanbo Japanese is Drought spirit
- Kangla Sha Meitei mythology is Dragon Lion in the Kangla Palace
- Kanbari-nyūdō Japanese is Bathroom spirit
- Kamikiri Japanese is Hair-cutting spirit
- Impundulu Southern Africa is Avian vampiric lightning spirit
- Imp Medieval is Small demonic servant
- Ior Romanian is Giant creature with good spirit
- Inugami Japanese is Dog spirit
- Inkanyamba Zulu is Horse-headed serpent
- Indus Worm Medieval Bestiaries is Giant white carnivorous worm
- Indrik Russian is One-horned horse-bull hybrid
- Incubus Medieval folklore is Male night-demon and seducer
- Inapertwa Aboriginal is Simple organisms used by creator-gods to make everything else
- Imugi Korean is Flightless dragon-like creatures sometimes thought of as proto-dragons
- Il-Belliegħa Maltese is Malevolent well spirit
- Iku-Turso Finnish is Sea monster
- Ikuchi Japanese is Sea serpent that travels over boats in an arc while dripping oil
- Ikiryō Japanese is Can be considered a 'living ghost' as it is a person's spirit outside their body
- Ijiraq Inuit is Spirit that kidnaps children
- Ifrit Arabian is Fire genie
- Ibong Adarna Philippine is Bird that changes color when it finishes a song
- Iara Brazilian is Female water spirit
- Iannic-ann-ôd Breton is Ghost of a drowned person
- Hudhud mythology is Hoopoe
- Hypnalis Medieval Bestiary is snake that kills its victims in their sleep
- Hyōsube Japanese is hair-covered kappa
- Hydrus Medieval Bestiary is snake from the Nile River that would kill crocodiles from the inside
- Jipijka'm Mi'kmaq is Underwater horned snake; lives in lakes and eats humans
- Jinn Arabian Islamic is Spiritual creatures; genii
- Jikininki Japanese is Corpse-eating ghost
- Jievaras Lithuanian is House spirit
- Jibakurei Japanese is Spirit that protects a specific place
- Jiaolong Chinese is Dragon
- Jiangshi Chinese is Life-draining reanimated corpse
- Jian Chinese is One-eyed one-winged bird who requires a mate for survival
- Jersey Devil American is Demonic dragon or flying demon who was given birth to by an American living in New Jersey
- Jerff Swedish is Gluttonous dog-cat-fox hybrid
- Jenu Mi'kmaq is Anthropophagous giant
- Jentil Basque is Megalith-building giant
- Jengu Sawa is Water spirit
- Jenglot Java is Vampiric little people
- Ipotane Greek is Two-legged horse-human hybrid as opposed to the four-legged centaur
- Iele Romanian is Female nature spirits
- Ichthyocentaur Greek is Human-fish-horse hybrid
- Ichneumon Medieval Bestiaries is Dragon-killing animal
- Ichiren-Bozu Japanese is Animated prayer beads
- Ichimoku-nyūdō Japanese is One-eyed kappa from Sado Island
- Ichchhadhari Nag Hindu is Shapeshifting venomous snakes
- Hydros Medieval Bestiary is snake whose poison causes the victim to swell up
- Jaud Slavic is Vampirised premature baby
- Jatayu Hindu mythology is Vulture demigod
- Jasy Jaterei Guaraní is Nature guardian and bogeyman
- Jasconius Medieval folklore is Island-sized fish
- Jaculus Medieval Bestiaries is Winged serpent or small dragon
- Jack-o'-lantern Medieval folklore is Vegetal lantern
- Jack-In-Irons English is Malevolent giant
- Jackalope American is Rabbit with antlers
- Iwana-bōzu Japanese is Char which appeared as a Buddhist monk
- Ittan-momen Japanese is Ghostly aerial phenomenon that attacks people
- Isonade Japanese is Shark-like sea monster
- Island Satyr Medieval Bestiaries is Savage human-goat hybrid from a remote island chain
- Ishigaq Inuit is Little people
- Irin Jewish is Fallen angels
- Iratxoak Basque is Small demonic servants
- Ippon-datara Japanese is One-legged mountain spirit
- Hokhokw Kwakiutl is bird
- Hodag Native American is frog-mammoth-lizard hybrid
- Hobgoblin Medieval is friendly or amusing goblin
- Hydra Greek is multi-headed water serpent/dragon
- Hyakume Japanese is hundred-eyes creature
- Hupia Taíno is nocturnal ghost
- Hoopoe is near passerine bird common to Africa and Eurasia that features in many mythologies in those continents
- Hō-ō Japanese is rooster-swallow-fowl-snake-goose-tortoise-stag-fish hybrid
- Homunculus Alchemy is small animated construct
- Hombre Gato Latin America is human-cat hybrid
- Hombre Caiman Colombian is human-alligator hybrid
- Homa Persian is eagle-lion hybrid similar to a griffin
- Hōkō Japanese is dog-like Chinese tree spirit
- Hobbididance English is malevolent spirit
- Hob English is house spirit
- Hitotsume-kozō Japanese is one-eyed childlike spirit
- Hitodama Japanese is ghosts of the newly dead which take the form of fireballs
- Hircocervus Medieval Bestiary is deer-goat hybrid
- Hippopodes Medieval Bestiary is horse-hoofed humanoid
- Hippogriff Medieval Bestiaries is hybrid of a griffin and horse; a lion-eagle-horse hybrid
- Hippocamp Etruscan Greek and Phoenician is horse-fish hybrid
- hippalectryon Greek
- Hiisi Finnish is nature guardian
- Hundun Chinese is chaos spirit
- Humbaba Akkadian is lion-faced giant
- Huma Persian is regenerative fire bird
- Huli jing Chinese is nine-tailed fox spirit
- Hulder Scandinavian is forest spirit
- Huldufólk Icelandic/Faroese is secret mound/rock dwelling elves
- Huginn and Muninn Norse is pair of ravens associated with the Norse god Odin whose names mean Thought and Memory
- Huaychivo Mayan is human-deer hybrid
- Hrímþursar Norse is frost giants who are the main inhabitants of either Jotunheim or Niflheim
- Hraesvelg Norse is giant who in eagle form creates the wind by beating his wings
- Houri Islamic is heavenly beings
- Hotoke Japanese is deceased person
- Horned Serpent Native American is serpentine rain spirit
- Hoop snake is snake which rolls by taking its tail in its mouth
- Hecatonchires Greek is primordial giants with 100 hands and fifty heads
- Headless Mule Brazilian is fire-spewing headless spectral mule
- Headless Horseman European is humanoid spirit who haunts or kills
- Helloi Meitei mythology is celestial maidens daughters of the Sky God Salailen
- Hihi Japanese is baboon monster
- Hieracosphinx Ancient Egypt is falcon-headed sphinx
- Hiderigami Japanese is drought spirit
- Hidebehind United States is nocturnal forest creature
- Hesperides Greek is nymph daughters of Atlas
- Helead Greek is fen nymph
- Heinzelmännchen German is household spirit
- Heikegani Japanese is crabs with human-faced shells the spirits of warriors killed in the Battle of Dan-no-ura
- Havsrå Norse is saltwater spirit
- Haugbui Norse is undead being who cannot leave its burial mound
- Harpy Greek is birdlike human-headed death spirit
- Harionago Japanese is humanoid female with barbed prehensile hair
- Hantu Raya Malay is demonic servant
- Herensuge Basque is dragon
- Hercinia Medieval Bestiaries is glowing bird
- Heracles Greek is gatekeeper of Olympus
- Hellhound Many cultures worldwide is underworld dog
- Hākuturi Māori is nature guardian
- Hantu Demon Philippine is demon
- Half-elf Norse is human-elf hybrid
- Hantu Air Malay is shapeshifting water spirit
- Hanau epe Rapa Nui is long-eared humanoid
- Hamsa Buddhist Hindu and Jainism is mystic bird
- Hamingja Scandinavian is personal protection spirit
- Hamadryad Greek is oak tree nymph
- Haltija Finnish is spirit that protects a specific place
- Gui Po Chinese is Ghost that manifests as an old woman
- Guhin Japanese is Anthropomorphic bird
- Gud-elim Akkadian is Human-bull hybrid
- Guardian angel Christian Jewish and Islamic belief is Subclassification of angels that guard and protect a specific person or living being
- Gualichu Mapuche is Malevolent spirit
- Grindylow English is Malevolent water spirit
- Grim Reaper Worldwide is Death angel often thought to be God's/Satan's assistant
- Grim English and Scandinavian is Tutelary spirits of churches
- Grigori Christian Jewish and Islamic mythology is Fallen angels father of Nephilim
- Griffin Heraldic is Lion-eagle hybrid
- Gremlin Folklore is Creatures that sabotage airplanes
- Hakutaku Japanese is talking beast which handed down knowledge on harmful spirits
- Hai-uri Khoikhoi is male cannibalistic partially invisible monster
- Haietlik Nuu-chah-nulth is water serpent
- Hag Many cultures worldwide is wise old woman who is usually a malevolent spirit or a disguised goddess
- Haetae Korean is dog-lion hybrid
- Hades Greek is Ruler of the Underworld
- Hadhayosh Persian is gigantic land animal
- Habrok Norse is listed as the "best" hawk
- Gyūki Japanese is Bull-headed monster
- Gurumapa Nepalese is Child-eating demon
- Gurangatch Australian Aboriginal – An enormous reptile-fish whose movements carved out the landscape south of the Blue Mountains
- Gumiho Korean mythology is Demonic fox with thousands of tails believed to possess an army of spirits and magic in its tails
- Gulon Germanic is Gluttonous dog-cat-fox hybrid
- Gui Shu Chinese is Ghostly tree that confuses travelers by moving
- Grassman Ohio USA is Ape-like cryptid
- Goryō Japanese is Vengeful ghosts usually of martyrs
- Gorgon Greek is Fanged snake-haired humanoids that turn anyone who sees them into stone
- Gorgades Medieval Bestiary is Hairy humanoid
- Golem Jewish is Animated construct
- Gytrash Lincolnshire and Yorkshire is Black dog
- Gyascutus American folklore is Four-legged herbivore
- Gwyllion Welsh is Malevolent spirit
- Gwyllgi Welsh is Black dog
- Ged Heraldic is The fish pike
- Geb Egyptian is God of the Earth married to Nut
- Gaueko Basque is Wolf capable of walking upright
- Gashadokuro Japanese is Giant malevolent skeletons
- Garuda Hindu is Human-eagle hybrid
- Garmr Norse is Giant ravenous hound
- Garkain Australian Aboriginal is Flying humanoid who envelops his victims
- Gargouille French is Water dragon
- Gandharva Hindu is Male nature spirits often depicted as part human part animal
- Gandabherunda Hindu is Double-headed bird
- Gancanagh Irish is Male fairy that seduces human women
- Gagana Russian is Iron-beaked bird with copper talons
- Gaasyendietha Seneca is Dragon
- Fylgja Scandinavian is Animal familiar