Railroad Series Beginning with K
- In This Corner of the World
- Kamen Rider Ex-Aid
- Kamen Rider Series
- Kikansha Thomas
- Kochira Katsushika-ku Kameari-kouenmae hashutsujo
- Kodoku no Gourmet
- Koya no Kotobuki Hikotai
- Kuma no Gakko
- Kumamon
- Kurenai no Buta
- Kyoryu Sentai Zyuranger
- Kyoukai Senki
- Kyuranger
- Mobile Suit Gundam Iron-Blooded Orphans
- Mobile Suit Gundam: The Origin