Singapore FC #21 
Transfers
| Date | Player | From team | To team | Transfer fee |
|---|---|---|---|---|
| february 16 2024 | D. Khumpai | Singapore FC #21 | None | RSD22 390 |
| january 26 2024 |  S. Hermoso |  Hanoi #32 | Singapore FC #21 | RSD33 571 659 |
| november 4 2023 | T. Sanya | Singapore FC #21 | None | RSD19 373 |
| september 13 2023 | C. Diskul | Singapore FC #21 | None | RSD50 686 |
| august 17 2023 | K. Panomyaong | Singapore FC #21 | None | RSD11 536 |
| august 16 2023 |  H. Sunanda | Singapore FC #21 | None | RSD740 514 |
| august 15 2023 | M. Chavalit | Singapore FC #21 | None | RSD79 350 |
| july 26 2023 | P. Sriroj | Singapore FC #21 | None | RSD14 470 |
| july 23 2023 | C. Samak | Singapore FC #21 | None | RSD19 287 |
| june 28 2023 | A. Shamir | FC Mergui #2 | Singapore FC #21 (On loan) | (RSD118 610) |
| june 25 2023 | S. Saiwaeo | Singapore FC #21 | None | RSD24 319 |
| june 25 2023 |  C. Traivut | Phonsavan | Singapore FC #21 | RSD2 578 504 |
| april 11 2023 | P. Chavalit | Singapore FC #21 | None | RSD44 962 |
| april 11 2023 | D. Long Quân | Eagle Football Club | Singapore FC #21 | RSD26 451 709 |
| january 19 2023 | S. Bunnag | Singapore FC #21 | None | RSD23 267 |
| december 29 2022 | S. Samak | Singapore FC #21 | None | RSD106 354 |
| december 28 2022 | K. Ekaluck | Singapore FC #21 | None | RSD21 457 |
| december 27 2022 | P. Tanasugarn | Singapore FC #21 | None | RSD212 471 |
| december 7 2022 | N. Duy Hải | Cửu Long | Singapore FC #21 (On loan) | (RSD209 071) |
| november 28 2022 | V. Prinya | Singapore FC #21 | None | RSD31 810 |
| november 9 2022 | H. Anh | Ho Chi Minh City #18 | Singapore FC #21 | RSD3 178 926 |
| october 8 2022 | K. Hitapot | Singapore FC #21 | None | RSD29 622 |
| september 15 2022 |  T. Vegazo | Singapore FC #21 | None | RSD18 715 |
| september 14 2022 | R. Supachai | Singapore FC #21 | None | RSD43 650 |
| august 27 2022 |  M. Kuramoto | Ho Chi Minh City #18 | Singapore FC #21 | RSD10 272 534 |