O-P
O
Obake (Japanese) - Shapeshifting spirits
Obambo (Central African) - Homeless ghost
Obariyon (Japanese) - Spook which rides piggyback on a human victim and becomes unbearably heavy
Obayifo (Ashanti) - Vampiric possession spirit
Obia (West Africa) - Gigantic animal that serves witches
Oboro-guruma (Japanese) - Ghostly 우차, 재정 with the face of its driver
Oceanid (Greek) - Nymph daughters of Oceanus
Odei (Basque) - Storm spirit
Odmience (Slavic) - Changeling
Og (Jewish) - Giant king of the Amorites
Ogre (Medieval folklore) - Large, grotesque humanoid
Ohaguro-bettari (Japanese) - Female ghost lacking all facial features except for a large, black-toothed smile
Oiwa (Japanese) - Ghost of a woman with a distorted face who was murdered 의해 her husband
Ōkamuro (Japanese) - Giant face which appears at the door
Okiku (Japanese) - Plate-counting ghost of a servant girl
Ōkubi (Japanese) - Death spirit that manifests as a giant head
Okuri-inu (Japanese) - Dog 또는 늑대 that follows travelers at night. Similar to the Black dog of English folklore
Ole-Higue (Guyanese) - Vampiric hag who takes the form of a fireball at night
Ōmukade (Japanese) - Giant, human-eating 지네, 지 네 that lives in the mountains
Oni (Japanese) - Large, grotesque humanoid
Onibi (Japanese) - Spectral fire
Onikuma (Japanese) - Monstrous bear
Onmoraki (Japanese) - Bird-demon created from the spirits of freshly-dead corpses
Onocentaur (Medieval Bestiaries) - Human-donkey hybrid
Onoskelis (Greek) - Shapeshifting demon
Onryō (Japanese) - Vengeful ghost that manifests in physical (rather than spectral) form
Onza (Aztec and Latin American folklore) - Wild cat, possibly a subspecies of cougar
Oozlum bird (Unknown origin) - Bird that flies backwards
Ophiotaurus (Greek) - Bull-serpent hybrid
Opinicus (Heraldic) - Lion-eagle hybrid, similar to a griffin, but with leonine forelimbs
Orang Bunian (Malay) - Forest spirit
Orang Minyak (Malay) - Spectral rapist
Ördög (Hungarian) - Shapeshifting demon
Oread (Greek) - Mountain nymph
Ork (Tyrolean) - Little people and house spirits
Orobas (European) - Horse-headed, honest oracle classed as a demon
Orphan Bird (Medieval Bestiaries) - Peacock-eagle-swan-crane hybrid
Orthrus (Greek) - Two-headed dog
Otoroshi (Japanese) - Hairy creature that perches on the gates to shrines and temples
Otso (Finnish) - 곰 spirit
Ouroboros (Worldwide) - Mystic serpent/dragon that eats its own tail
Ovinnik (Slavic) - Malevolent threshing house spirit
P
Paasselkä devils (Finnish) - Spectral fire
Pamola (Abenaki) - Weather spirit
Panes (Greek) - Human-goat hybrids descended from the god Pan
Pandi (Medieval Bestiary) - Humanoid with giant ears, eight fingers and toes, and white hair
Panis (Hindu) - Demons with herds of stolen cows
Panlong (Chinese) - Water dragon
Panotti (Medieval Bestiaries) - Humanoid with gigantic ears
표범, 팬더 (Medieval Bestiaries) - Feline with sweet breath
Parandrus (Medieval Bestiaries) - Shapeshifting animal whose natural form was a large ruminant
Pard (Medieval Bestiaries) - Fast, spotted feline believed to mate with lions to produce leopards
Pardalokampoi (Etruscan) - Fish-tailed panther
Patagon (Medieval folklore) - Giant race reputed to live in the area of Patagonia
Patasola (Latin America) - Anthropophagous, one-legged humanoid
Patupairehe (Māori) - White-skinned nature spirits
Pech (Scottish) - Strong little people
Pegaeae (Greek) - Spring nymph
Pelesit (Malay) - Servant spirit
Peluda (French) - Dragon
Penanggalan (Philippine) - 뱀파이어 that sever their heads from their bodies to fly around, usually with their intestines 또는 other internal organs trailing behind
Peng (Chinese) - Giant bird
Penghou (Chinese) - 나무, 트리 spirit
Peri (Persian) - Winged humanoid
Peryton (Allegedly Medieval folklore) - Deer-bird hybrid
Pesanta (Catalan) - Nightmare demon in the form of a cat 또는 dog
Peuchen (Chilota and Mapuche) - Vampiric, flying, shapeshifting serpent
Phoenix (Phoenician) - Regenerative bird
Piasa (Native American) - Winged, antlered feline
Piatek (Armenian) - Large land animal
Pictish Beast (Pictish stones) - Stylistic animal, possibly a dragon
Pillan (Mapuche) - Nature spirit
Pim-skwa-wagen-owad (Abenaki) - Water spirit
Piru (Finnish) - Minor demon
Pishacha (Hindu) - Carrion-eating demon
Pita-skog (Abenaki) - Serpentine rain spirit
Pixie (Cornish) - Little people and nature spirits
Pixiu (Chinese) - Winged lion
Pi yao (Chinese) - Horned, dragon-lion hybrid
Plakavac (Slavic) - Vampire created when a mother strangles her child
Pok-wejee-men (Abenaki) - 나무, 트리 spirit
Polevik (Polish) - Little people and field spirits
Pollo Maligno (Colombian) - Man-eating chicken spirit
Polong (Malay) - Invisible servant spirit
Poltergeist (German) - Ghost that moves objects
Pombero (Guaraní) - Wild man and nature spirit
Ponaturi (Māori) - Grotesque, malevolent humanoid
Pontianak (Malay) - Undead, vampiric women who died in childbirth
Poukai (Māori) - Giant bird
Preta (Buddhist, Hindu, and Jainist) - Ghosts of especially greedy people
Pricolici (Romanian) - Undead wolf
Psoglav (Serbia) - Dog-headed monster
Psotnik (Slavic) - Mischievous spirit
Psychai (Greek) - Butterfly-winged nymphs, daughters of Psyche
Pterippus (Greek) - Winged horse
Púca (Welsh) - Shapeshifting animal spirit
Púki (Icelandic) - malevolent little person
Puck (English) - House spirit
Putz (German) - house spirit
Pugot (Philippine) - Headless humanoid
Puk (Frisian) - house spirit
Pūķis (Latvian) - Malevolent house spirit
Pygmy (Greek) - Little people
Pyrausta (Greek) - Insect-dragon hybrid
파이썬 (Greek) - Serpentine dragon
O
Obake (Japanese) - Shapeshifting spirits
Obambo (Central African) - Homeless ghost
Obariyon (Japanese) - Spook which rides piggyback on a human victim and becomes unbearably heavy
Obayifo (Ashanti) - Vampiric possession spirit
Obia (West Africa) - Gigantic animal that serves witches
Oboro-guruma (Japanese) - Ghostly 우차, 재정 with the face of its driver
Oceanid (Greek) - Nymph daughters of Oceanus
Odei (Basque) - Storm spirit
Odmience (Slavic) - Changeling
Og (Jewish) - Giant king of the Amorites
Ogre (Medieval folklore) - Large, grotesque humanoid
Ohaguro-bettari (Japanese) - Female ghost lacking all facial features except for a large, black-toothed smile
Oiwa (Japanese) - Ghost of a woman with a distorted face who was murdered 의해 her husband
Ōkamuro (Japanese) - Giant face which appears at the door
Okiku (Japanese) - Plate-counting ghost of a servant girl
Ōkubi (Japanese) - Death spirit that manifests as a giant head
Okuri-inu (Japanese) - Dog 또는 늑대 that follows travelers at night. Similar to the Black dog of English folklore
Ole-Higue (Guyanese) - Vampiric hag who takes the form of a fireball at night
Ōmukade (Japanese) - Giant, human-eating 지네, 지 네 that lives in the mountains
Oni (Japanese) - Large, grotesque humanoid
Onibi (Japanese) - Spectral fire
Onikuma (Japanese) - Monstrous bear
Onmoraki (Japanese) - Bird-demon created from the spirits of freshly-dead corpses
Onocentaur (Medieval Bestiaries) - Human-donkey hybrid
Onoskelis (Greek) - Shapeshifting demon
Onryō (Japanese) - Vengeful ghost that manifests in physical (rather than spectral) form
Onza (Aztec and Latin American folklore) - Wild cat, possibly a subspecies of cougar
Oozlum bird (Unknown origin) - Bird that flies backwards
Ophiotaurus (Greek) - Bull-serpent hybrid
Opinicus (Heraldic) - Lion-eagle hybrid, similar to a griffin, but with leonine forelimbs
Orang Bunian (Malay) - Forest spirit
Orang Minyak (Malay) - Spectral rapist
Ördög (Hungarian) - Shapeshifting demon
Oread (Greek) - Mountain nymph
Ork (Tyrolean) - Little people and house spirits
Orobas (European) - Horse-headed, honest oracle classed as a demon
Orphan Bird (Medieval Bestiaries) - Peacock-eagle-swan-crane hybrid
Orthrus (Greek) - Two-headed dog
Otoroshi (Japanese) - Hairy creature that perches on the gates to shrines and temples
Otso (Finnish) - 곰 spirit
Ouroboros (Worldwide) - Mystic serpent/dragon that eats its own tail
Ovinnik (Slavic) - Malevolent threshing house spirit
P
Paasselkä devils (Finnish) - Spectral fire
Pamola (Abenaki) - Weather spirit
Panes (Greek) - Human-goat hybrids descended from the god Pan
Pandi (Medieval Bestiary) - Humanoid with giant ears, eight fingers and toes, and white hair
Panis (Hindu) - Demons with herds of stolen cows
Panlong (Chinese) - Water dragon
Panotti (Medieval Bestiaries) - Humanoid with gigantic ears
표범, 팬더 (Medieval Bestiaries) - Feline with sweet breath
Parandrus (Medieval Bestiaries) - Shapeshifting animal whose natural form was a large ruminant
Pard (Medieval Bestiaries) - Fast, spotted feline believed to mate with lions to produce leopards
Pardalokampoi (Etruscan) - Fish-tailed panther
Patagon (Medieval folklore) - Giant race reputed to live in the area of Patagonia
Patasola (Latin America) - Anthropophagous, one-legged humanoid
Patupairehe (Māori) - White-skinned nature spirits
Pech (Scottish) - Strong little people
Pegaeae (Greek) - Spring nymph
Pelesit (Malay) - Servant spirit
Peluda (French) - Dragon
Penanggalan (Philippine) - 뱀파이어 that sever their heads from their bodies to fly around, usually with their intestines 또는 other internal organs trailing behind
Peng (Chinese) - Giant bird
Penghou (Chinese) - 나무, 트리 spirit
Peri (Persian) - Winged humanoid
Peryton (Allegedly Medieval folklore) - Deer-bird hybrid
Pesanta (Catalan) - Nightmare demon in the form of a cat 또는 dog
Peuchen (Chilota and Mapuche) - Vampiric, flying, shapeshifting serpent
Phoenix (Phoenician) - Regenerative bird
Piasa (Native American) - Winged, antlered feline
Piatek (Armenian) - Large land animal
Pictish Beast (Pictish stones) - Stylistic animal, possibly a dragon
Pillan (Mapuche) - Nature spirit
Pim-skwa-wagen-owad (Abenaki) - Water spirit
Piru (Finnish) - Minor demon
Pishacha (Hindu) - Carrion-eating demon
Pita-skog (Abenaki) - Serpentine rain spirit
Pixie (Cornish) - Little people and nature spirits
Pixiu (Chinese) - Winged lion
Pi yao (Chinese) - Horned, dragon-lion hybrid
Plakavac (Slavic) - Vampire created when a mother strangles her child
Pok-wejee-men (Abenaki) - 나무, 트리 spirit
Polevik (Polish) - Little people and field spirits
Pollo Maligno (Colombian) - Man-eating chicken spirit
Polong (Malay) - Invisible servant spirit
Poltergeist (German) - Ghost that moves objects
Pombero (Guaraní) - Wild man and nature spirit
Ponaturi (Māori) - Grotesque, malevolent humanoid
Pontianak (Malay) - Undead, vampiric women who died in childbirth
Poukai (Māori) - Giant bird
Preta (Buddhist, Hindu, and Jainist) - Ghosts of especially greedy people
Pricolici (Romanian) - Undead wolf
Psoglav (Serbia) - Dog-headed monster
Psotnik (Slavic) - Mischievous spirit
Psychai (Greek) - Butterfly-winged nymphs, daughters of Psyche
Pterippus (Greek) - Winged horse
Púca (Welsh) - Shapeshifting animal spirit
Púki (Icelandic) - malevolent little person
Puck (English) - House spirit
Putz (German) - house spirit
Pugot (Philippine) - Headless humanoid
Puk (Frisian) - house spirit
Pūķis (Latvian) - Malevolent house spirit
Pygmy (Greek) - Little people
Pyrausta (Greek) - Insect-dragon hybrid
파이썬 (Greek) - Serpentine dragon