| Clubname: | US Thionville Lusitanos |
| Fullname: | Union Sportive Thionville Lusitanos |
| Founded: | , as Fußball-Club Diedenhofen , as US Thionville Lusitanos |
| Website: | https://www.ustl.fr/ |
| Chrtitle: | President |
| Chairman: | François Ventrici |
| League: | National 3 Group I |
| Season: | 2022–23 |
| Position: | Régional 1 Grand Est Group B, 1st of 14 (promoted) |
| Pattern B1: | _thinblackstripes |
| Leftarm1: | FFDD00 |
| Body1: | FFDD00 |
| Rightarm1: | FFDD00 |
| Shorts1: | 0000FF |
| Socks1: | FFDD00 |
| Leftarm2: | FFFFFF |
| Body2: | FFFFFF |
| Rightarm2: | FFFFFF |
| Shorts2: | FFFFFF |
| Socks2: | FFFFFF |
| Leftarm3: | FF0000 |
| Body3: | FF0000 |
| Rightarm3: | FF0000 |
| Shorts3: | 000000 |
| Socks3: | 000000 |
| Stadium: | Stade de la Plaine Stade Jeanne d'Arc Stade de Guentrange |
Union Sportive Thionville Lusitanos is a football club based in Thionville, France. As of the 2023–24 season, it competes in the Championnat National 3, the fifth tier of the French football league system.
The football club was born in 1905 as Fußball-Club Diedenhofen. After the first world war it was renamed La Sportive Thionvilloise following the transfer of Thionville from Germany to France in accord with the Treaty of Versailles. During the second world war, between 1940 and 1945, with the Germans in charge of the area again, the club was renamed Turn-und-Sportgemeinschaft before reverting to its previous name.[1]
In 1943, Fritz Walter played in the squad, who went on to win the World Cup in 1954 with West Germany.
In 1969 the club gained promotion to the national amateur division for the first time. They turned professional whilst in the second division for the two seasons 1979-1980 and 1980–1981. In the latter season they reached the quarter-finals of the French Cup, where they drew 2–2 at home, before losting 3–0 in the return leg against Martigues.[2] They also reached the last 32 in the 1979–80, 1983–84 and 1997–98 seasons. In the second of the two second division seasons, the club declared bankruptcy and reformed in division 4 as Thionville Football Club
The club spent the rest of the 1980s and 1990s in either the fourth of fifth tier of the national pyramid, before relegation back to the regional level in 2000. They spend one further season at the national level in 2009–10.
On 2 May 2021, Thionville FC merged with Thionville AS Portugais Saint-François to create US Thionville Lusitanos.[3] In 2023, the club achieved promotion back to the Championnat National 3.[4]