Fantasy Creatures

Starting with A
Á Bao A Qu (Malay) - An entity that lives in the Tower of Victory in Chitor.
Aatxe (Basque) - A spirit that takes the form of a bull.
Abassy (Yakuts) - Demons that have teeth of iron.
Abada (African) - Small type of unicorn reported to live in the lands of the African Congo.
Äbädä (Tatar) - Forest spirit
Abaia (Melanesian) - Huge magical eel
Abarimon (Medieval Bestiaries) - Savage humanoid with backward feet.
Abath (Malay) - One-horned animal
Abatwa (Zulu) - Little people that ride ants.
Abura-bō (Japanese) - Spectral fire from Shiga Prefecture, in which the shape of a monk can often be seen.
Abura-sumashi (Japanese) - creature from a mountain pass in Kumamoto Prefecture.
Acephali (Greek) - Headless humanoids
Acheri (Indian) - Disease-bringing ghost
Achiyalabopa (Puebloan) - Rainbow-feathered birds
Achlis (Roman) - Curious elk
Adar Llwch Gwin (Welsh) - Giant birds that understand human languages.
Adaro (Solomon Islands) - Malevolent merfolk
Adhene (Manx) - Nature spirit
Adlet (Inuit) - Vampiric dog-human hybrid
Adroanzi (Lugbara) - Nature spirit
Adze (Ewe people) - An African vampiric-forest being.
Aerico (Greek) - Disease demon
Afanc (Welsh) - Lake monster (exact lake varies by story).
Agathodaemon (Greek) - Spirit of vinefields and grainfields.
Agloolik (Inuit) - Ice spirit that aids hunters and fishermen.
Agogwe (East Africa) - Small, ape-like humanoid.
Ahkiyyini (Inuit) - Animated skeleton that causes shipwrecks.
Ahuizotl (Aztec) - Anthropophagous dog-monkey hybrid.
Aigamuxa (Khoikhoi) - Anthropophagous humanoid with eyes in its instep.
Aigikampoi (Etruscan) - Fish-tailed goat
Aigamuxa (Khoikhoi) - Man-eating Ogres
Aitu (Polynesian) - Malevolent spirits or demons
Aitvaras (Lithuanian) - Household spirit
Ajatar (Finnish) - Dragon
Akabeko (Japanese) - Red cow involved in the construction of Enzō-ji in Yanaizu, Fukushima
Akamataa (Japanese) - Snake spirit from Okinawa.
Akateko (Japanese) - Tree-dwelling