Suwon FC (K League 1): every transfer in and out, fees paid and earned, squad market value, €100k spent and €1.5m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-09 | Koki Tsukagawa | PT Prachuap FC | Suwon FC | Free |
| 2026-01-16 | Bit-garam Yoon | Suwon FC | Bucheon FC | Free |
| 2026-01-05 | Jun-su Ahn | Suwon FC | Gimcheon Sangmu | Free |
| 2025-12-15 | Yong-hui Park | Suwon FC | Gimcheon Sangmu | Loan |
| 2025-12-15 | Kyung-ho Roh | Suwon FC | Gimcheon Sangmu | Loan |
| 2025-08-05 | Dong-won Ji | Suwon FC | Macarthur | Free |
| 2025-07-28 | Leroy Abanda | Suwon FC | Le Mans FC | Free |
| 2025-07-07 | Anderson Oliveira | Suwon FC | FC Seoul | — |
| 2025-04-07 | Cheol-woo Park | Suwon FC | Gimcheon Sangmu | Loan |
| 2025-01-29 | Lachlan Jackson | Suwon FC | Melb. Victory | — |
| 2025-01-27 | Mohamed Ofkir | Vålerenga | Suwon FC | Loan |
| 2025-01-27 | Leroy Abanda | OFI Crete | Suwon FC | €100k |
| 2025-01-22 | Eljon Sota | Suwon FC | Egnatia Rrogozhinë | Free |
| 2025-01-17 | Yong-hui Park | Daegu FC | Suwon FC | Free |
| 2025-01-17 | Seung-won Jeong | Suwon FC | FC Seoul | Free |
| 2025-01-07 | Pratama Arhan | Suwon FC | True Bangkok United | Free |
| 2024-07-31 | Eljon Sota | Partizani Tirana | Suwon FC | Free |
| 2024-07-29 | Young-jun Lee | Suwon FC | Grasshoppers | — |
| 2024-07-24 | Seung-woo Lee | Suwon FC | Jeonbuk Hyundai | Free |
| 2024-07-24 | Kyung-won Kwon | Suwon FC | Khor Fakkan | — |