Rayong FC: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-01-16 | Leonardo Justiniano | SA Bulo Bulo | Rayong FC | Free |
| 2025-08-12 | Lwin Moe Aung | Rayong FC | Mahasarakham FC | Free |
| 2025-07-08 | Manuel Ott | Terengganu FC | Rayong FC | Free |
| 2025-07-05 | Amani Aguinaldo | Rayong FC | DPMM FC | Free |
| 2025-07-01 | Seksan Ratree | Buriram Utd. | Rayong FC | Loan |
| 2025-07-01 | Kritsada Nontharat | Bangkok Utd. | Rayong FC | Loan |
| 2025-07-01 | John Lucero | Rayong FC | Kanchanaburi FC | Free |
| 2025-01-06 | John Lucero | Cebu | Rayong FC | Free |
| 2024-07-12 | Amani Aguinaldo | Trat FC | Rayong FC | Free |
| 2024-07-10 | Korrakot Pipatnadda | Muangthong Utd. | Rayong FC | Loan |
| 2022-08-09 | Lwin Moe Aung | ISPE FC | Rayong FC | Free |
| 2020-07-01 | Kampol Pathomakkakul | Muangthong Utd. | Rayong FC | Loan |
| 2018-06-29 | Saringkan Promsupa | Rayong FC | Muangthong Utd. | — |
| 2016-01-01 | Saringkan Promsupa | Rayong Youth | Rayong FC | — |