* Dactyl (Greek) - Little people and smith and healing spirits
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"D" by Wiccked on RedBubble
* Daemon (Greek) - Incorporeal spirit
* Dahu (France, Switzerland and the north of Italy) - like a deer or ibex with legs on one side of its body are shorter than on the other side
* Daidarabotchi (Japanese) - Giant responsible for creating many geographical features in Japan
* Daitengu (Japanese) - The most powerful class of tengu, each of whom lives on a separate mountain
* Daitya (Hindu) - Giant
* Danava (Hindu) - Water demon
* Daphnaie (Greek) - Laurel tree nymph
* Datsue-ba (Japanese) - Old woman who steals clothes from the souls of the dead
* Dead Sea Apes (Islamic) - Human tribe turned into apes for ignoring Moses' message
* Deer Woman (Native American) - Human-deer hybrid
* Deity (Global) - Preternatural or supernatural possibly immortal being
* Demon (Global) - From the Greek da'imon", chthonic entities of Hell mostly seen as evil minions of Satan who are bent on mankind's destruction; the counterparts of Angels.
* Demigod (Global) - Half human, half god.
* Dhampir (Balkans) - Human/vampire hybrid
* Diao Si Gui (Chinese) - Hanged ghost
* Djinn (Islam) - Genii
* Dilong (Chinese) - Earth dragon
* Dip (Catalan) - Demonic and vampiric dog
* Di Penates (Roman) - House spirit
* Dipsa (Medieval Bestiaries) - Extremely poisonous snake
* Dirawong (Australian Aboriginal) - Goanna spirit
* Di sma undar jordi (Gotland) - Little people and nature spirits
* Diwata (Philippine) - Tree spirit
* Dobhar-chu (Irish) - Dog-fish hybrid
* Do-gakw-ho-wad (Abenaki) - Little people
* Dokkaebi (Korean) - Grotesque, horned humanoids
* D"okk'alfar (Norse) - Male ancestral spirits; the Dark Elves
* Dola (Slavic) - Tutelary and fate spirit
* Domovoi (Slavic) - House spirit
* Doppelg"anger (German) - Ghostly double
* Drac (Catalan) - Lion or bull-faced dragon
* Drac (French) - Winged sea serpent
* Drakon (Greek) A snakelike creature with bat wings acidic breath and a paralyzing stare.
* Drakaina (Greek) - Dragons depicted with female characteristics
* Dragon (Many cultures worldwide) - Fire-breathing and winged (normally)
* Dragon turtle (Chinese) - Giant turtle with dragon-like head
* Draugr (Norse) - Undead
* Drekavac (Slavic) - Restless ghost of an unbaptised child
* Drop Bear (Australian) Large carnivorous koala that hunts by dropping on its prey from trees
* Drow (Scottish) - Cavern spirit
* Drude (German) - Possessing demon
* Druk (Bhutanese) - Dragon
* Dryad (Greek) - Tree nymph
* Duende (Spanish and Portuguese) - Little people and forest spirits
* Duergar (English) - Malevolent little people
* Dullahan (Irish) - Headless death spirit
* Duwende (Philippine) - Little people, some are house spirits, others nature spirits
* Dvergr (Norse) - Subterranean little people smiths
* Dvorovoi (Slavic) - Courtyard spirit
* Dwarf (Germanic) - Little people nature spirits
* Dybbuk (Jewish) - A spirit (sometimes the soul of a wicked deceased) that possesses the living
* Dzee-dzee-bon-da (Abenaki) - Hideous monster
* Dzunukwa (Kwakwaka'wakw) - Child-eating hag
Dzunukwa by Biffno on deviantART