Rasisalai United F.C.
| Full name | Rasisalai United Football Club |
|---|---|
| Nicknames | The Monkey King (ราชาวานร) |
| Founded | 2019 |
| Ground | Sisaket Provincial Stadium Sisaket, Thailand |
| Capacity | 2,500 |
| Coordinates | 15°05′21″N 104°19′25″E / 15.089226°N 104.32367°E |
| Owner(s) | Rasisalai United Co., Ltd. |
| Chairman | Nuchanart Jaruwongsatian |
| Head coach | Arnon Bandasak |
| League | Thai League 2 |
| 2024–25 | Thai League 3, 1st of 11, Northeastern region (promoted) |
Rasisalai United Football Club (Thai สโมสรฟุตบอล ราษีไศล ยูไนเต็ด), is a professional football club based in Rasisalai, Sisaket, Thailand.
They set to compete in Thai League 2 from 2025–26 season, the second tier of Thailand football after promotion from Thai League 3 in 2024–25 season.