List of legendary creatures (Y)
- Yacumama (South America) â Sea monster
- Yacuruna (Indigenous people of the Amazon) â Mythical water people, with backwards heads and feet
- YadÃ
Âkai (Japanese) â Malevolent, nocturnal spirit
- YagyÃ
Â-san (Japanese) â Demon who rides through the night on a headless horse
- Yaksha (Buddhist, Hindu, and Jainism) â Male nature spirit
- Yakshi (Keralite) â Vampire
- Yakshini (Buddhist, Hindu, and Jainism) â Female nature spirit
- YakubyÃ
Â-gami (Japanese) â Disease and misfortune spirit
- Yale (Medieval Bestiaries) â Antelope- or goat-like animal with swiveling horns
- Yali (Hinduism) â Lion like creature often symbolic for protecting temples
- Yallery-Brown (English) â Nature spirit
- Yama (China, Korea, Japan, Buddhism, including Tibet) â Wrathful god
- Yama-biko (Japanese) â Echo spirit
- Yama-bito (Japanese) â Savage, mountain-dwelling humanoid
- Yama-chichi (Japanese) â Monkey-like mountain spirit
- Yama-inu (Japanese) â Dog-like mountain spirit
- Yama-otoko (Japanese) â Mountain giant
- Yamata no Orochi (Japanese) â Gigantic, eight-headed serpent
- Yama-uba (Japanese) â Malevolent, mountain-dwelling hag
- Yama-waro (Japanese) â Hairy, one-eyed spirit
- Yanari (Japanese) â Spirit which causes strange noises
- Yaoguai (Chinese) â Animalistic demon or fallen gods
- Yara-ma-yha-who (Australian Aboriginal) â Diminutive, sucker-fingered vampire
- Yatagarasu (Japanese) â Three-legged crow of Amaterasu
- Yato-no-kami (Japanese) â Serpent spirits
- Yeth hound (English) â Headless dog
- Yeti (Himalayan) â Mountain bigfoot
- Yilbegän (Turkic) â Either a dragon or a giant
- Yobuko (Japanese) â Mountain dwelling spirit
- YÃ
Âkai (Japanese) â Supernatural monster
- Yomotsu-shikome (Japanese) â Underworld hag
- Yong â Korean dragon
- YÃ
Âsei (Japanese) â Fairy
- Yosuzume (Japanese) â Mysterious bird that sings at night, sometimes indicating that the okuri-inu is near
- You Hun Ye Gui (Chinese) â Wandering ghost
- Yowie (Australian Aboriginal) â Nocturnal human-ape hybrid, also Yahoo
- Ypotryll (Heraldic) â Boar-camel-ox-serpent hybrid
- Yuan Gui (Chinese) â Distressed ghost
- Yukinko (Japanese) â Childlike snow spirit
- Yuki-onna (Japanese) â Female snow spirit
- (Japanese) â Ghost
- Yuxa (Tatar) â 100-year-old snake that transforms into a beautiful human