| Name | Type | Country | Number |
|---|---|---|---|
| KADOKAWA | Editor | Japan | 109 |
| Kadokawa Shoten角川書店 | Editor | Japan | 54 |
| Kakao Corporation카카오 | Editor | France | 0 |
| Kami | Editor | France | 6 |
| Kana | Editor | France | 73 |
| Kawadesho Bōshisha河出書房新社 | Editor | Japan | 1 |
| Kazé | Editor | France | 62 |
| Kbooks | Editor | France | 1 |
| Ki-oon | Editor | France | 95 |
| Kill Time Communicationキルタイムコミュニケーション | Editor | Japan | 2 |
| Kodansha講談社 | Editor | Japan | 124 |
| Kodansha Comics | Editor | United States | 1 |
| Komakusa Shubban駒草出版 | Editor | Japan | 1 |
| Komikku | Editor | France | 33 |
| Kosaido Shuppan廣済堂出版 | Editor | Japan | 1 |
| Kotoji | Editor | France | 1 |
| Kraken | Editor | France | 1 |
| Kurokawa | Editor | France | 52 |
| Kyōto Animation京都アニメーション | Editor | Japan | 2 |