| Clubname: | US Saint-Malo |
| Fullname: | Union Sportive Saint-Malo |
| Upright: | 0.8 |
| Founded: | 1901 |
| Ground: | Stade de Marville Saint-Malo |
| Nickname: | Les Diables Noirs (The Black Devils) |
| Chairman: | Yves Fantou |
| Manager: | Fabien Pujo |
| Season: | 2022–23 |
| Position: | National 2 Group A, 5th |
| League: | National 2 Group C |
| Pattern B1: | _Vwideblack |
| Leftarm1: | FFFF00 |
| Body1: | FFFF00 |
| Rightarm1: | FFFF00 |
| Shorts1: | 000000 |
| Socks1: | 000000 |
| Pattern B2: | _Vbodyblack |
| Leftarm2: | 000000 |
| Body2: | FFFF00 |
| Rightarm2: | 000000 |
| Shorts2: | 000000 |
| Socks2: | 000000 |
| Website: | https://www.ussm.fr |
Union Sportive Saint-Malo is a French association football club founded in 1901. They are based in the town of Saint-Malo and their home stadium is the Stade Marville. As of the 2017–18 season, they play in the Championnat National 2.