Khors
Khyāh
Kigatilik
Kijimunaa
Kijo
Kikimora
Kilibob (Kulbob)
Killmoulis
Kim-un-kamuy (Nupuri-kor-kamuy)
King in Yellow
Kingu
Kinnara
Kirin
Kishi
Kitsune
Kitsune-Tsuki
Kiyohime
Klabautermann
Kludde
Knocker
Knucker
Kobalos
Kobold
Kodama
Kokakuchō
Kokopelli
Komainu
Konaki-jiji
Konoha-tengu
Koro-pok-guru
Koroglu
Korrigan
Koschei
Krabat
Kraken
Krampus
Krasnoludek
Krasue
Kresnik
Krishna
Kṣitigarbha
Kū
Kubikajiri
Kuchisake-onna
Kuda-gitsune
Kudan
Kudiani
Kueyen
Kūʻīlioloa
Kui
Kukudh
Kukulkan
Kukwes
Kulshedra
Kumakatok
Kumarbi
Kun and Peng
Kupala
Kupua
Kurabokko