- K-방역
- K-최근접 이웃 알고리즘
- KAORI.
- KA 에스마 문고
- KAmiYU
- KENN
- KENN/디스코그라피
- KENN/캐릭터송
- Kakao
- Kakao/비판 및 논란
- Kakkoyoku Naritai
- Kalafina
- Kalafina/디스코그라피
- Kawaiiku Naritai
- Key
- Kikoemasu ka
- Kinyoubi no Ohayou
- Kinyoubi no Ohayou -another story-
- Kinyoubi no Ohayou -love story-
- Kiramune
- Kiss×sis
- Koi-Iro ni Sake
- Koibito-tachi no Happy Birthday
- Kokuhaku Rival Sengen
- Kokuhaku Yokou Renshuu
- Kokuhaku Yokou Renshuu -another story-
- Konyaku Sensou
- Kore Seishun Understand