| Clubname: | Châteaudun |
| Fullname: | Olympique Club Châteaudun |
| Founded: | 1959 |
| Ground: | Stade Kléber et Albert Provost, Châteaudun |
| Capacity: | 3,300 |
| Chairman: | Gilles Provost |
| Season: | 2008 - 09 |
| Position: | Division d'Honneur Regionale de Centre, 6th |
Olympic Club Châteaudun is a French association football club founded in 1959 as a result of a merger between ES Châteaudun and AS Saint-Jean. They are based in the town of Châteaudun and their home stadium is the Stade Kléber et Albert Provost, which has a capacity of around 3,300 spectators. As of the 2009 - 10 season, the club plays in the Division d'Honneur Regionale de Centre, the seventh tier of French football.