List of legendary creatures (K)
- Kabouter (Dutch) â Little people that live underground, in mushrooms, or as house spirits
- Kachina (Hopi and Puebloan) â Nature spirit
- Kahaku (Japanese) â Little people and water spirits
- Kajsa (Scandinavian) â Wind spirit
- Kalakeyas (Hindu) â Descendants of Kala
- Kallikantzaroi (Greek) â Grotesque, malevolent spirit
- Kamaitachi (Japanese) â Wind spirit
- Kamatayan (Philippine) â Philippine counterpart of Death
- Kami (Japanese) â Nature spirit
- Kamikiri (Japanese) â Hair-cutting spirit
- Kanbari-nyÃ
«dÃ
 (Japanese) â Bathroom spirit
- Kangla Sha (Meitei mythology) â Dragon Lion in the Kangla Palace
- Kanbo (Japanese) â Drought spirit
- Kanedama (Japanese) â Money spirit
- Kappa (Japanese) â Little people and water spirit
- Kapre (Philippine) â Malevolent tree spirit
- Karakoncolos (Bulgarian and Turkish), also in Bosnia and Herzegovina and Serbia known as KaranÃÂoloz â Troublesome spirit
- Karakura (Turkish) â Male night-demon
- Karasu-tengu (Japanese) â Tengu with a bird's bill
- Karkadann (Persian) â One-horned giant animal
- Karkinos (Greek) â Giant crab
- Karura (Japanese) â Eagle-human hybrid
- KarzeÃ
Âek (Polish) â Little people and mine spirits
- Kasa-obake (Japanese) â Animated parasol
- Kasha (Japanese) â Cat-like demon which descends from the sky and carries away corpses
- Kashanbo (Japanese) â Kappa who climb into the mountains for the winter
- Katawa-guruma (Japanese) â Woman riding on a flaming wheel
- Katsura-otoko (Japanese) â Handsome man from the Moon
- Katallan (Albanian) â Man-eating giant
- Kaukas (Lithuanian) â Nature spirit
- Kawa-uso (Japanese) â Supernatural river otter
- Kawa-zaru (Japanese) â Smelly, cowardly water spirit
- Kayeri (Cuiva) - Mushroom-like monster
- Ke'lets (Chukchi) â Ogre or evil spirit
- Keelut (Inuit) â Hairless dog
- Kee-wakw (Abenaki) â Half-human half-animal cannibalistic giant
- Keibu Keioiba (Meitei) â Man with the body of a human but the head of a tiger
- Kekkai (Japanese) â Amorphous afterbirth spirit
- Kelpie (Irish and Scottish) â Malevolent water horse
- Ker (Greek) â Female death spirit
- Kesaran-pasaran (Japanese) â Mysterious, white, fluffy creature
- Keukegen (Japanese) â Disease spirit
- Keythong (Heraldic) â Wingless griffin
- Khalkotauroi (Greek) â Bronze-hoofed bulls
- Khyah (Nepalese) â Fat, hairy ape-like creature
- Kigatilik (Inuit) â Night-demon
- Kholomodumo (Sotho) â Gluttonous monster that was one of the first beasts of creation
- Kijimunaa (Japanese) â Tree sprite from Okinawa
- Kijo (Japanese) â She-devil
- Kikimora (Slavic) â Female house spirit
- Killmoulis (English and Scottish) â Ugly, mischievous mill spirit
- Kinnara (Hindu) â Human-bird hybrid
- Kin-u (Japanese) â Bird
- Kirin (Japanese) â Japanese Unicorn
- Kishi (Angola) â Malevolent, two-faced seducer
- Kitsune (Japanese) â Fox spirit
- Kitsune-Tsuki (Japanese) â Person possessed by a fox spirit
- Kiyohime (Japanese) â Woman who transformed into a serpentine demon out of the rage of unrequited love
- Klabautermann (German) â Ship spirit
- Knocker (folklore) (Cornish and Welsh) â Little people and mine spirits
- Knucker (English) â Water dragon
- Kobalos (Greek) â Goblin like thieves and tricksters
- Kobold (German) â Little people and mine or house spirits
- Kodama (Japanese) â Tree spirit
- Kofewalt (Germanic) â House spirit
- Ko-gok (Abenaki) â Hideous monster
- KokakuchÃ
 (Japanese) â Ubume bird
- Komainu (Japanese) â Protective animal
- Konaki-jiji (Japanese) â Infant that cries until it is picked up, then increases its weight and crushes its victim
- Konoha-tengu (Japanese) â Bird-like creature
- Konrul (Turkic) â Bird that is reborn
- Koro-pok-guru (Ainu) â Little people
- Korrigan (Breton) â Little people and nature spirits
- Koshchei (Russian) â Villainous figure that is unkillable, usually by hiding "his death" inside objects to protect it
- Koto-furunushi (Japanese) â Animated koto
- Kraken (Scandinavian) â Sea monster
- Krasnoludek (Slavic) â Little people nature spirits
- Krasue (Southeast Asian) â Vampiric, floating head
- Krampus (Germany) â Christmas Devil who punishes badly-behaved children
- Kting Voar (Southeast Asian) â Snake eating cattle
- Kuarahy Jára (GuaranÃÂ) â Forest spirit
- Kubikajiri (Japanese) â Female corpse-chewing graveyard spirit
- Kuchisake-onna (Japanese) â Vengeful ghost of a woman mutilated by her husband
- Kuda-gitsune (Japanese) â Miniature fox spirit
- Kudan (Japanese) â Human-faced calf which predicts a calamity before dying
- Kui (Chinese) â One-legged monster
- Kujata (Arabian) â Cosmic bull
- Kukudhi (Albanian) â Female demon who spreads sickness
- Kukwes (Mi'kmaq) â Large, hairy, greedy, human-eating bipedal monsters whose scream can kill
- Kulshedra (Albanian) â Drought-causing dragon
- Kumakatok (Philippine) â Death spirits
- Kumiho (Korean) â Fox spirit
- Kun (Chinese) â Giant fish
- Kupua (Hawaiian) â Shapeshifting tricksters
- Kurabokko (Japanese) â Guardian spirit of a warehouse
- Kurage-no-hinotama (Japanese) â Jellyfish which floats through the air as a fireball
- Kurma (Hindu mythology) â Second avatar of Vishnu in the form of a Turtle
- Kurupi (GuaranÃÂ) â Wild man and fertility spirit
- Kushtaka (Tlingit) â Shapeshifting "land otter man"
- Kye-ryong (Korean) â Chicken-lizard hybrid
- Kyourinrin (Japanese) â Animated scroll or paper
- KyÃ
«bi-no-kitsune (Japanese) â Nine-tailed fox
- KyÃ
«ketsuki (Japanese) â Vampire king