| Teamname: | US Tyrosse |
| Fullname: | Union Sportive Tyrosse Rugby Côte Sud |
| Countryflag: | France |
| Founded: | 1919 |
| Capacity: | 5,000 |
Union Sportive Tyrossaise Rugby Côte Sud (also known as just US Tyrosse) is a French rugby union club, currently playing in the third division of the French league system, in Fédérale 1. Tyrosse were relegated from the Rugby Pro D2 competition down to Fédérale 1 after the 2005–06 season. Tyrosse were formed in 1919.