Baba Yaga (Slavic) - Forest spirit and hag
Bagiennik (Slavic) - Malevolent water spirit
Bahamut (Arabian) - Giant fish
Bai She (Chinese) - Elephant-swallowing serpent
Bai Ze (Chinese) - Sheep-like animal
Bake-kujira (Japanese) - Ghost whale
Bakeneko (Japanese) - Magical cat
Bakezori (Japanese) - Animated straw sandal
Bakhtak (Iranian) - Night demon
Baku (Japanese) - Dream-devouring, tapir like creature
Bakunawa (Philippine) - Sea serpent that causes eclipses
Balaur (Romanian) - Multi-headed dragon
Bannik (Slavic) - Bathhouse spirit
Banshee (Irish) - Death spirit
Barbegazi (Swiss) - Dwarf with giant, snowshoe-like feet
Bardi (Trabzon) - Shapechanging death spirit
Barghest - Yorkshire black dog
Barnacle Geese (Medieval folklore) - Geese which hatch from barnacles
Barong (Balinese) - Tutelary spirit
Basajaun (Basque) - Ancestral, megalith-building race
Basan (Japanese) - Fire-breathing chicken
BasCelik (Serbian) - A powerful and very evil winged man whose soul is not held
by his body and can be subdued only by causing him to suffer dehydration
Basilisco Chilote (Chilota) - Chicken-serpent hybrid
Basilisk (Medieval Bestiaries) - Multi-limbed, venomous lizard
Batibat (Philippine) - Female night-demon
Batsu (Chinese) - Drought spirit
Baubas (Lithuanian) - Malevolent spirit
Baykok (Ojibwa) - Flying skeleton
Bean Nighe (Irish) - Death spirit (a specific type of Banshee/Bean Sídhe)
Behemoth (Jewish) - Primal, gigantic land animal
Bendigeidfran (Welsh) - Giant king
Bennu (Egyptian) - Heron-like, regenerative bird, equivalent to (or inspiration
of) the Phoenix
Berehynia (Slavic) - Water spirit
Bergrisar (Norse) - Mountain giant
Bergsrå (Norse) - Mountain spirit
Bestial beast (Brazilian) - Centauroid specter
Betobeto-san (Japanese) - Invisible spirit which follows people at night, making
the sound of footsteps
Bhuta (Buddhist and Hindu) - Ghost of someone killed by execution or suicide
Bi-blouk (Khoikhoi) - Female, anthropohagous, partially invisible monster
Bies (Slavic) - Demon
Binbogami (Japanese) - Spirit of poverty
Bishop-fish (Medieval Bestiaries) - Fish-like humanoid
Biwa-yanagi (Japanese) - Animated biwa
Black Annis (English) - Blue-faced hag
Black Dog (British) - Canine death spirit
Black Shuck - Norfolk, Essex, and Suffolk black dog
Blemmyae (Medieval Bestiary) - Headless humanoid with face in torso
Bloody Bones (Irish) - Water bogeyman
Bodach (Scottish) - Malevolent spirit
Bogeyman (English) - Malevolent spirit
Boggart (British) - Malevolent household spirit
Boginki (Polish) - Nature spirit
Bogle (Scottish) - Malevolent spirit
Boi-tatá (Brazilian) - Giant snake
Bolla (Albanian) - Dragon
Bonnacon (Medieval Bestiaries) - Bull-horse hybrid with flaming dung
Boobrie (Scottish) - Roaring water bird
Bozaloshtsh (Slavic) - Death spirit
Brag (English) - Malevolent water horse
Brownie (English and Scottish) - Benevolent household spirit
Broxa (Jewish) - Nocturnal bird that drains goats of their milk
Bokkenrijders (Dutch) - Damned bandits
Bugbear (English) - Bearlike goblin
Buggane (Manx) - Ogre-like humanoid
Bukavac (Serbia) - Six-legged lake monster
Bunyip (Australian Aboriginal) - Horse-walrus hybrid lake monster
Buraq (Islamic) - Human-headed, angelic horse
Buruburu (Japanese) - Spirit which causes the shivers
Byaka (Russian) - Furry creature
Byangoma (Hindu) - Fortune-telling birds
Bysen (Scandinavian) - Diminutive forest spirit
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