Samui United F.C.
| Full name | Samui United Football Club |
|---|---|
| Nickname(s) | The Island Boys (เด็กเกาะ) |
| Founded | 2010 |
| Ground | Ko Samui City Municipality International Stadium Surat Thani, Thailand |
| Capacity | 2,000 |
| Coordinates | 9°26′06″N 100°00′27″E / 9.43510591098463°N 100.00749084937159°E |
| Owner | Samui United Football Club Co., Ltd. |
| Chairman | Umaporn Kuasom |
| Head coach | Jonathas Henrique de Freitas Candido |
| League | Thai League 3 |
| 2025 | Thailand Semi-pro League, champions of Southern region (promoted) |
| Website | |
Samui United Football Club (Thai สโมสรฟุตบอล สมุย ยูไนเต็ด) is a Thai professional football club based in Ko Samui, Surat Thani. It was established in 2024 as the senior team of Samui United Academy, which was originally founded in 2010. The club competes in Thai League 3, the third tier of Thai football league system.