Hobby, Travel, Sports Series Beginning with K
- Asteroid in Love
- Blood Blockade Battlefront
- Cobra (Space Adventure Cobra)
- Demon Slayer: Kimetsu no Yaiba
- DETAIL OF HEROES
- In This Corner of the World
- K
- K-On! (Keion!)
- KADO: The Right Answer
- Kaibutsu Ojo
- Kaiji
- Kaiju Boosker
- Kaiki Daisakusen
- Kaito Joker
- Kaito Ranma
- Kaito Tenshi Twin Angel
- Kaitou Sentai Lupinranger VS Keisatsu Sentai Patranger
- Kamen Rider (Skyrider) (Masked Rider (Skyrider))
- Kamen Rider 555 (Masked Rider 555)
- Kamen Rider Agito (Masked Rider Agito)
- Kamen Rider Amazon (Masked Rider Amazon)
- Kamen Rider BLACK (Masked Rider BLACK)
- Kamen Rider Blade (Masked Rider Blade)
- Kamen Rider Cougar (Masked Rider Cougar)
- Kamen Rider Decade
- Kamen Rider Den-O
- Kamen Rider Dragon Knight
- 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 Revice
- Kamen Rider Ryuki (Masked Rider Ryuki)
- Kamen Rider SABER
- Kamen Rider Series
- Kamen Rider Skull
- Kamen Rider Stronger (Masked Rider Stronger)
- Kamen Rider Super 1 (Masked Rider Super 1)
- Kamen Rider V3 (Masked Rider V3)
- Kamen Rider W (Double)
- Kamen Rider Wizard
- Kamen Rider X (Masked Rider X)
- Kamen Rider Zero-One
- Kamen Rider Zi-O
- kami-sama minarai Himotsu no Cocotama
- Kamiarizuki no Kodomo
- Kamigami no Asobi
- Kamisama no Karte
- Kamiusagi Rope
- Kamui den (Kamui the Ninja)
- Karate
- Karate-Robo Zaborgar (Denjin Zaborger)
- Karigusashi no Arrietty
- Kasumin
- Katekyo Hitman Reborn!
- Kaze no Garden
- Kaze Tachinu (The Wind Rises)
- Kazoku Game
- Keiba / Keirin
- Keitai Sosakan 7
- Kemono Friends
- Kendo
- Kenkaku Shobai
- Keroro Gunso
- Kidou Keiji Jiban
- Kikansha Thomas
- Kiki's Delivery Service (Majo no Takkyubin)
- Kill la Kill
- Kimagure Orange Road
- Kimi ni Todoke
- King Kong
- Kingdom
- Kingdom Hearts
- Kiniro Mosaic
- Kiniro no Corda
- Kinkyori Renai
- Kinnikuman
- Kino Nani Tabeta?
- Kippari
- Kirarin Revolution
- Kirawareru Yuki
- Kiseijyu
- Kishiryu Sentai Ryusoulger
- Kita no Kuni kara (From a North country)
- Kite
- Knight Rider
- Kobato.
- Kobito-dukan
- Kochira Katsushika-ku Kameari-kouenmae hashutsujo
- Kodansha No Ugoku Zukan
- Kodoku no Gourmet
- Koguma no Cake ya-san
- Koi no Jikan
- Koihime Muso
- Kokurikozaka Kara