US Sarre-Union
| Full name | Union Sportive Sarre-Union |
|---|---|
| Founded | 1924 |
| Ground | Stade Omnisports, Sarre-Union |
| Capacity | 3,000 |
| Chairman | Laurent Weinstein |
| Manager | Arnaud Bey |
| League | National 3 Group I |
| 2022–23 | National 3 Group F, 7th |
Union Sportive Sarre-Union is a French association football team founded in 1924, based in the town of Sarre-Union. Their home stadium is the Stade Omnisports in the town. As of the 2017–18 season they play in Championnat National 3, the fifth level in the French football league system.