Avispa Fukuoka (J1 League): every transfer in and out, fees paid and earned, squad market value and €1.6m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Shu Morooka | Kashima Antlers FC | Avispa Fukuoka | Free |
| 2026-07-01 | Kennedy Egbus Mikuni | Nagoya Grampus Eight | Avispa Fukuoka | Loan |
| 2026-07-01 | Werik Popó | Red Bull Bragantino | Avispa Fukuoka | Free |
| 2026-07-01 | Daiki Fukazawa | Tokyo Verdy | Avispa Fukuoka | Free |
| 2026-07-01 | Jurato Ikeda | Avispa Fukuoka | Kagoshima United | Free |
| 2026-07-01 | Shahab Zahedi | Avispa Fukuoka | Johor Darul Ta'zim | Free |
| 2026-07-01 | Yutaka Michiwaki | Avispa Fukuoka | Iwaki | Loan |
| 2026-07-01 | Kimiya Moriyama | Avispa Fukuoka | Oita Trinita | Loan |
| 2026-07-01 | Moon-hyeon Kim | Avispa Fukuoka | Kagoshima United | Loan |
| 2026-07-01 | Seiya Inoue | Avispa Fukuoka | Oita Trinita | Loan |
| 2026-07-01 | Kenta Matsuyama | Avispa Fukuoka | Tegevajaro Miyazaki | Free |
| 2026-03-27 | Keiya Shiihashi | Nagoya Grampus | Avispa Fukuoka | Loan |
| 2026-02-07 | Daiki Matsuoka | Avispa Fukuoka | Slovan Bratislava | Loan |
| 2026-02-01 | Kazuki Fukushima | Kamigaku HS | Avispa Fukuoka | Free |
| 2026-02-01 | Kenta Matsuyama | Mito HollyHock | Avispa Fukuoka | — |
| 2026-02-01 | Shohei Takemoto | Avispa U18 | Avispa Fukuoka | — |
| 2026-02-01 | Sonosuke Sato | Miyazaki Sangyo | Avispa Fukuoka | Free |
| 2026-02-01 | Teppei Oka | FC Tokyo | Avispa Fukuoka | Loan |
| 2026-02-01 | Yuma Tsujioka | Iwaki FC | Avispa Fukuoka | — |
| 2026-02-01 | Yuma Tsujioka | Iwaki | Avispa Fukuoka | Free |