| Club: | Roasso Kumamoto |
| Season: | 2023 |
| Chairman: | Tomoyoshi Ikeya |
| Manager: | Takeshi Oki |
| Stadium: | Egao Kenko Stadium |
| League: | J2 League |
| League Result: | 8th |
| Cup1: | Emperor's Cup |
| Cup1 Result: | Third round |
| Pattern La1: | _Roasso Kumamoto 2023 HOME FP |
| Pattern B1: | _Roasso Kumamoto 2023 HOME FP |
| Pattern Ra1: | _Roasso Kumamoto 2023 HOME FP |
| Pattern Sh1: | _Roasso Kumamoto 2023 HOME FP |
| Pattern So1: | _Roasso Kumamoto 2023 HOME FP |
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| Pattern La2: | _Roasso Kumamoto 2023 AWAY FP |
| Pattern B2: | _Roasso Kumamoto 2023 AWAY FP |
| Pattern Ra2: | _Roasso Kumamoto 2023 AWAY FP |
| Pattern Sh2: | _Roasso Kumamoto 2023 AWAY FP |
| Pattern So2: | _Roasso Kumamoto 2023 AWAY FP |
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| Updated: | 11 June 2023 |
| Prevseason: | 2022 |
| Nextseason: | 2024 |
The 2023 season is Roasso Kumamoto's 54th season in existence and the club's second consecutive season in the second division of Japanese football. In addition to the domestic league, Roasso Kumamoto will participate in this season's edition of the Emperor's Cup.
| Transfers in[3] | ||||
|---|---|---|---|---|
| Join on | Pos. | Player | Moving from | Transfer type |
| Pre-season | DF |  Makoto Okazaki | FC Tokyo | Full transfer |
| Pre-season | DF | Yuya Aizawa | Komazawa University | Free transfer |
| Pre-season | DF | Kaito Miyazaki | NIFS Kanoya | Full transfer |
| Pre-season | MF | Takuya Shimamura | FC Imabari | Free transfer |
| Pre-season | MF | Ryotaro Onishi | FC Gifu | Full transfer |
| Pre-season | MF | Yuki Omoto | FC Ryukyu | Full transfer |
| Pre-season | MF | Tsubasa Togo | Nippon SS University | Free transfer |
| Pre-season | MF | Ayumu Toyoda | Chuo University | Free transfer |
| Pre-season | FW | Rimu Matsuoka | Tochigi SC | Full transfer |
| Pre-season | FW | Daichi Ishikawa | Gainare Tottori | Full transfer |
| Pre-season | FW | Shun Osaki | Fukuoka University | Free transfer |
| Pre-season | FW | Yutaka Michiwaki | Roasso Kumamoto U18s | Promotion |
| Transfers out | ||||
|---|---|---|---|---|
| Leave on | Pos. | Player | Moving to | Transfer type |
| Pre-season | DF | So Kawahara | Sagan Tosu | Full transfer |
| Pre-season | DF | Koki Sakamoto | Yokohama FC | Full transfer |
| Pre-season | DF | Masahiro Sugata | Vegalta Sendai | Full transfer |
| Pre-season | DF | Shuichi Sakai | Thespakusatsu Gunma | Full transfer |
| Pre-season | DF | Osamu Henry Iyoha | Sanfrecce Hiroshima | Loan expiration |
| Pre-season | DF | Kotaro Higashino | J-Lease FC | Free transfer |
| Pre-season | DF |  Leo Kenta | – | Contract expiration |
| Pre-season | MF | Naohiro Sugiyama | Gamba Osaka | Full transfer |
| Pre-season | MF | Sota Higashide | Tegevajaro Miyazaki | FFree transfer |
| Pre-season | MF | Kosei Tajiri | Kochi United | Free transfer |
| Pre-season | MF | Keitatsu Kojima | Ococias Kyoto | Free transfer |
| Pre-season | MF | Thales Paula | Nagoya Grampus | Loan expiration |
| Pre-season | MF | Keitatsu Kojima | – | Contract expiration |
| Pre-season | FW | Toshiki Takahashi | Urawa Red Diamonds | Full transfer |
| Pre-season | FW | Kakeru Higuchi | Kochi United | Free transfer |
See main article: 2023 J2 League.
The league fixtures were announced on 20 January 2023.[4]
See main article: 2023 Emperor's Cup.