Calendar Series Beginning with K
- Blood Blockade Battlefront
- By the Grace of the Gods (Kami Tachi ni Hirowareta Otoko)
- Demon Slayer: Kimetsu no Yaiba
- K
- K-On! (Keion!)
- Kabaneri of the Iron Fortress
- Kagerou Project
- Kaguya-sama: Love Is War
- Kaibutsu Ojo
- Kaibutsu-Kun
- Kaiji
- Kaito Joker
- Kaito Tenshi Twin Angel
- Kaitou Sentai Lupinranger VS Keisatsu Sentai Patranger
- Kamen Rider Drive
- Kamen Rider Ex-Aid
- Kamen Rider Gaim
- Kamen Rider Ghost
- Kamen Rider Revice
- Kamen Rider SABER
- Kamen Rider Series
- Kamen Rider Wizard
- Kamen Rider Zero-One
- Kamen Rider Zi-O
- kami-sama minarai Himotsu no Cocotama
- Kamigami no Asobi
- Kamiusagi Rope
- Kamiwaza Wanda
- Kanojo mo Kanojo
- Kara no Kyokai
- Katekyo Hitman Reborn!
- Kawaii Dake Janai Shikimori-San
- Kaze ga Tsuyoku Fuiteiru (Run with the Wind)
- Kaze Tachinu (The Wind Rises)
- Keiba / Keirin
- Kemono Friends
- Kenja no Mago
- Kikansha Thomas
- Kiki's Delivery Service (Majo no Takkyubin)
- Kimi ni Todoke
- Kimi No Suizo Wo Tabetai
- Kimi to Boku.
- KING OF PRISM
- Kingdom
- Kingdom Hearts
- Kiniro Mosaic
- Kino Nani Tabeta?
- Kino no Tabi - the Beautiful World
- Kishiryu Sentai Ryusoulger
- Knights & Magic
- Knights of Sidonia
- Kobato.
- Kobito-dukan
- Kodoku no Gourmet
- Koguma no Cake ya-san
- Koi to Producer -EVOL x LOVE-
- Koihime Muso
- Kokucho no Psychedelica
- Komi Can't Communicate (Komi-san wa, Komyusho Desu.)
- KonoSuba: God's Blessing on This Wonderful World!
- Korokoro Mameshiba
- Koukou Yakyu
- Koupen-chan
- Koya no Kotobuki Hikotai
- Kuma Miko: Girl Meets Bear
- Kuma no Gakko
- Kumamon
- Kumodesuga, Nani Ka?
- Kuroko no Basuke (Kuroko's Basketball)
- Kuroshitsuji (Black Butler)
- Kuruneko
- Kusen Madoshi Kohosei no Kyokan
- Kutsushita Nyanko
- Kyo no Nekomura-san
- Kyoto Teramachi San Jo No Holmes
- Kyuketsuki Sugu Shinu
- Kyuranger
- Miss Kobayashi's Dragon Maid
- Rent-A-Girlfriend (Kanojo Okarishimasu)
- Teasing Master Takagi-san
- The Apothecary Diaries (Kusuriya no Hitorigoto)