| Name | Type | Country | Number |
|---|---|---|---|
| Sanctuary shuppanサンクチュアリ出版 | Editor | Japan | 1 |
| Sarbacane | Editor | France | 3 |
| SB CreativeSBクリエイティブ | Editor | Japan | 7 |
| Seibundo Shinkosha誠文堂新光社 | Editor | Japan | 1 |
| Senunsha星雲社 | Editor | Japan | 1 |
| Seven Seas | Editor | United States | 37 |
| Shinchosha新潮社 | Editor | Japan | 8 |
| Shinshokan新書館 | Editor | Japan | 4 |
| Shockdom | Editor | France | 1 |
| Shōdensha祥伝社 | Editor | Japan | 2 |
| Shōeisha翔泳社 | Editor | Japan | 1 |
| Shogakukan小学館 | Editor | Japan | 55 |
| Shōnen Gahōsha少年画報社 | Editor | Japan | 7 |
| Shūeisha集英社 | Editor | Japan | 77 |
| Shukuto to Seikatsu Sha主婦と生活社 | Editor | Japan | 1 |
| SoftBank Creativeソフトバンククリエイティブ | Editor | Japan | 0 |
| Soleil | Editor | France | 54 |
| Square Enixスクウェア・エニックス | Editor | Japan | 73 |
| Square Enix Ltd. | Editor | France | 1 |
| Studio Lounak | Editor | Canada | 3 |
| Sunmark Shuppanサンマーク出版 | Editor | Japan | 1 |