Kagoshima United (J3-League): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Jurato Ikeda | Avispa Fukuoka | Kagoshima United | Free |
| 2026-07-01 | Daiki Sakata | Hitachi Kashiwa Reysol | Kagoshima United | Free |
| 2026-07-01 | Thales Procopio Castro de Paula | Tokushima Vortis | Kagoshima United | Loan |
| 2026-07-01 | Atsuki Satsukawa | Oita Trinita | Kagoshima United | Loan |
| 2026-07-01 | Wataru Tanaka | Montedio Yamagata | Kagoshima United | Free |
| 2026-07-01 | Riku Saga | Fagiano Okayama Sports Club | Kagoshima United | Free |
| 2026-07-01 | Moon-hyeon Kim | Avispa Fukuoka | Kagoshima United | Loan |
| 2026-02-01 | Kohei Kawakami | Fagiano Okayama Sports Club | Kagoshima United | Loan |
| 2026-02-01 | Riku Saga | Fagiano Okayama Sports Club | Kagoshima United | Loan |
| 2026-02-01 | Yuto Yamada | Iwaki | Kagoshima United | Loan |
| 2026-02-01 | Ryo Arita | Montedio Yamagata | Kagoshima United | Free |
| 2026-01-12 | Kota Muramatsu | Blaublitz Akita | Kagoshima United | Free |
| 2025-07-22 | Riku Terakado | Montedio Yamagata | Kagoshima United | Loan |
| 2025-04-01 | Soshiro Tanida | JEF United | Kagoshima United | Loan |
| 2025-03-02 | Junki Goryo | Kagoshima United | Veroskronos Tsuno | Free |
| 2025-02-01 | Shuto Inaba | Zelvia | Kagoshima United | Free |
| 2025-02-01 | Keito Kawamura | Tokyo Verdy | Kagoshima United | Free |
| 2025-02-01 | Makoto Okazaki | Roasso Kumamoto | Kagoshima United | Free |
| 2025-02-01 | Yoshitaka Aoki | Zelvia | Kagoshima United | Free |
| 2025-02-01 | Kodai Yamauchi | Ventforet Kofu | Kagoshima United | Loan |