Olympique Thonon Chablais
| Full name | Olympique Thonon Chablais |
|---|---|
| Founded | 1909 (as Club Sportif de Thonon) |
| Dissolved | 2007 (merged with Football Croix-de-Savoie 74) |
| Stadium | Stade Joseph-Moynat |
| Capacity | 3,600 |
Olympique Thonon Chablais, known as Club Sportif de Thonon until 1987, was a football club based in Thonon-les-Bains, France. Founded in 1909, the club's colours were yellow and blue. The team played its home matches at the Stade Joseph-Moynat.
From 1979 to 1987, Thonon played in the Division 2. In 2007, the club merged with Football Croix-de-Savoie 74 to form Olympique Croix-de-Savoie 74.