Series Beginning with K
- Asteroid in Love
- Blood Blockade Battlefront
- Cat's Eye
- Cobra (Space Adventure Cobra)
- Demon Slayer: Kimetsu no Yaiba
- In This Corner of the World
- K
- K-On! (Keion!)
- Kabachi-tare!
- KADO: The Right Answer
- Kageki
- Kagerou Project
- Kaiji
- Kaiju Boosker
- Kaiju No. 8
- Kaijutachi no Irutokoro
- Kaiki Daisakusen
- Kaito Ranma
- Kaito Tantei Yamaneko
- Kaito Tenshi Twin Angel
- Kaitou Sentai Lupinranger VS Keisatsu Sentai Patranger
- Kamen Rider Agito (Masked Rider Agito)
- Kamen Rider Amazon (Masked Rider Amazon)
- Kamen Rider Cougar (Masked Rider Cougar)
- Kamen Rider Den-O
- Kamen Rider Drive
- Kamen Rider Ex-Aid
- Kamen Rider Fourze
- Kamen Rider Gaim
- Kamen Rider Ghost
- Kamen Rider Hibiki
- Kamen Rider Kabuto (Masked Rider Kabuto)
- Kamen Rider Kiva
- Kamen Rider OOO
- Kamen Rider Series
- Kamen Rider Stronger (Masked Rider Stronger)
- Kamen Rider V3 (Masked Rider V3)
- Kamen Rider W (Double)
- Kamen Rider Wizard
- Kamen Rider Zi-O
- Kamen Teacher
- kami-sama minarai Himotsu no Cocotama
- Kamigami no Asobi
- Kamisama Hajimemashita
- Kamisama no Karte
- Kanojo wa Uso o Aishisugiteru
- Karate
- Karate-Robo Zaborgar (Denjin Zaborger)
- Karigusashi no Arrietty
- Katana Gatari
- Katekyo Hitman Reborn!
- Kaze ga Tsuyoku Fuiteiru (Run with the Wind)
- Kaze Tachinu (The Wind Rises)
- Kazoku Game
- Keiba / Keirin
- Keitai Deka
- Kemono Friends
- Kendo
- Kenkaku Shobai
- Kenko Zenrakei Suieibu Umisho
- Keroro Gunso
- Kikansha Thomas
- Kiki's Delivery Service (Majo no Takkyubin)
- Kimi ni Todoke
- King Kong
- KING OF PRISM
- Kingdom
- Kiniro no Corda
- Kinkyori Renai
- Kinnikuman
- Kino Nani Tabeta?
- Kira Kira Afro
- Kirarin Revolution
- Kirin ga Kuru
- Kishiryu Sentai Ryusoulger
- Kita no Kuni kara (From a North country)
- Knuckles
- Kobato.
- Kobito-dukan
- Kochira Katsushika-ku Kameari-kouenmae hashutsujo
- Kodoku no Gourmet
- Kodomo Kesatsu
- Kodomo no Jikan
- Kofuku Graffiti
- Koguma no Cake ya-san
- Kokkurisan
- Kokucho no Psychedelica
- Kokurikozaka Kara
- Korean Wave
- Kotetsu Sangokushi
- Koukou Yakyu
- Koupen-chan
- Koya no Kotobuki Hikotai
- Kuma no Gakko
- Kumamon
- Kurenai no Buta
- Kurokami
- Kuroko no Basuke (Kuroko's Basketball)
- Kuroshitsuji (Black Butler)
- Kutsushita Nyanko