Japanese Legendary Creatures

Most of these come from this list.

Abura-akago

Abura-sumashi

Aka Manto

Akaname

Akashita

Akateko

Akuma

Amabie

Aoandon

Amanojaku

Amazake-babaa

Amefurikozō

Ameonna

Amikiri

Aobōzu

Aonyōbō

Aosaginohi

Ashinagatenaga

Ayakashi

Azukiarai

Bake-kujira

Baku

Basan

Binbōgami

Chimimōryō

Daidarabotchi

Dodomeki

Dragon

Enenra

Funayūrei

Furaribi

Fūri

Futakuchi-onna

Gagoze

Gashadokuro

Goryō

Hanako-san

Harionago

Hibagon

Hiderigami

Hito-gitsune

Hitotsume-kozō

Hitotsume-nyūdō

Hone-onna

Hyōsube

Ikiryō

Ikuchi

Inugami

Ishinagenjo

Isonade

Iso-onna

Janjanbi

Jinmenju

Jorōgumo

Jubokko

Kaibyō

Kamaitachi

Kamikiri

Kappa

Kasa-obake

Kage-Onna

Kerakera-Onna

Kasha

Kawauso

Keukegen

Kijimuna

Kinoko

Kirin

Kitsune

Kitsunebi

Kodama

Komainu

Konaki-jiji

Korpokkur

Koromodako

Kotobuki

Kuchisake-onna

Kuda-gitsune

Kudan

Kyubi

Mikaribaba

Mikoshi-nyūdō

Misaki

Mizuchi

Mokumokuren

Mononoke

Mōryō

Mujina

Momiji

Namahage

Namazu

Ningyo

Noderabō

Noppera-bō

Nue

Nuppeppō

Nurarihyon

Nure-onna

Nurikabe

Nyūdō-bōzu

Obake

Oboroguruma

Oiwa

Okiku

Ōmukade

Oni

Onibi

Onikuma

Onryō

Ōnyūdō

Osaki

Otoroshi

Ouni

Okubi

Ohaguro-Bettari

Raijū

Rokurokubi

Samebito

Sankai

Satori

Sazae-oni

Shachihoko

Shidaidaka

Shikigami

Shinigami

Shiranui

Shirime

Shiryō

Shōjō

Shōkera

Sōjōbō

Sunekosuri

Takaonna

Tanuki

Ten

Tengu

Tennin

Tenome

Tesso

Tōfu-kozō

Tsuchigumo

Tsuchinoko

Tsukumogami

Tsurubebi

Tsurara-onna

Tsurube-otoshi

Ubagabi

Ubume

Umi zatō

Umibōzu

Ushi-oni

Uwan

Waira

Wanyūdō

Yamabiko

Yamawaro

Yamajijii

Yama-uba

Yanari

Yobuko

Yōkai

Yōsei

Yosuzume

Yuki-onna

Yume no seirei

Yūrei

Zashiki-warashi