Urawa Red Diamonds (J1 League): every transfer in and out, fees paid and earned, squad market value, €11m spent and €15m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Shoya Nakajima | Urawa Reds | Without Club | — |
| 2026-07-01 | Isaac Kiese Thelin | Urawa Reds | Without Club | — |
| 2026-02-23 | Ado Onaiwu | 1.FC Magdeburg | Urawa Reds | Free |
| 2026-02-01 | Yoshitaka Tanaka | Urawa Reds U18 | Urawa Reds | — |
| 2026-02-01 | Takeshi Wada | Urawa Reds U18 | Urawa Reds | — |
| 2026-02-01 | Sota Matsunaga | RKU | Urawa Reds | Free |
| 2026-02-01 | Ryusei Sato | Tsukuba Univ. | Urawa Reds | Free |
| 2026-02-01 | Renji Hidano | Toin Univ. | Urawa Reds | Free |
| 2026-02-01 | Motoki Nagakura | Urawa Reds | FC Tokyo | — |
| 2026-02-01 | Hayate Ueki | Nihon Uni | Urawa Reds | Free |
| 2026-01-12 | Tomoaki Okubo | Urawa Reds | Kashiwa Reysol | — |
| 2026-01-12 | Eiichi Katayama | Kashiwa Reysol | Urawa Reds | Free |
| 2026-01-04 | Thiago Santana | Urawa Reds | V-V. Nagasaki | Free |
| 2025-10-22 | Luka Didulica | Melb. Vic. U21 | Urawa Reds | — |
| 2025-08-20 | Isaac Kiese Thelin | Malmö | Urawa Reds | Free |
| 2025-07-31 | Rikito Inoue | Urawa Reds | Cerezo Osaka | — |
| 2025-07-25 | Toshiki Takahashi | Urawa Reds | Shimizu S-Pulse | — |
| 2025-07-08 | Kenta Matsuyama | Mito HollyHock | Urawa Reds | Loan |
| 2025-07-07 | Shun Yoshida | Urawa Reds | Shonan Bellmare | Loan |
| 2025-07-04 | Rio Nitta | Urawa Reds | Shonan Bellmare | Loan |