legendary beings list : Y

• Yacumama (South America) - Sea monster
• Yadōkai (Japanese) - Malevolent, nocturnal spirit
• Yagyō-san (Japanese) - Demon who rides through the night on a headless horse
• Yaksha (Buddhist, Hindu, and Jainism) - Male nature spirit
• Yakshi (Keralite) - Vampire
• Yakshini (Buddhist, Hindu, and Jainism) - Female nature spirit
• Yakubyō-gami (Japanese) - Disease and misfortune spirit
• Yale (Medieval Bestiaries) - Antelope- or goat-like animal with swiveling horns
• Yallery-Brown (English) - Nature spirit
• Yama-biko (Japanese) - Echo spirit
• Yama-bito (Japanese) - Savage, mountain-dwelling humanoid
• Yama-chichi (Japanese) - Monkey-like mountain spirit
• Yama-inu (Japanese) - Dog-like mountain spirit
• Yama-otoko (Japanese) - Mountain giant
• Yamata no Orochi (Japanese) - Gigantic, eight-headed serpent
• Yama-uba (Japanese) - Malevolent, mountain-dwelling hag
• Yama-waro (Japanese) - Hairy, one-eyed spirit
• Yanari (Japanese) - Spirit which causes strange noises
• Yaoguai (Japanese) - Animalistic demon
• Yara-ma-yha-who (Australian Aboriginal) - Diminutive, sucker-fingered vampire
• Yatagarasu (Japanese) - Three-legged crow of Amaterasu
• Yato-no-kami (Japanese) - Serpent spirits
• Yeth hound (English) - Headless dog
• Yeti (Tibet) - Abominable Snowman
• Yilbegän (Turkic) - Either a dragon or a giant
• Yobuko (Japanese) - Mountain dwelling spirit
• Yōkai (Japanese) - Supernatural Monster
• Yomotsu-shikome (Japanese) - Underworld hag
• Yong - Korean dragon
• Yōsei (Japanese) - Fairy
• Yosuzume (Japanese) - Mysterious bird that sings at night, sometimes indicating that the okuri-inu is near
• You Hun Ye Gui (Chinese) - Wandering ghost
• Yowie (Australian Aboriginal) - Nocturnal human-ape hybrid, also Yahoo
• Ypotryll (Heraldic) - Boar-camel-ox-serpent hybrid
• Yuan Gui (Chinese) - Distressed ghost
• Yukinko (Japanese) - Childlike snow spirit
• Yuki-onna (Japanese) - Snow spirit
• Yūrei (Japanese) - Ghost
• Yuxa (Tatar) - 100-year-old snake that transforms into a beautiful human