Union Sportive Cognaçaise is a French rugby union club, based in Cognac in the Charente département (Nouvelle-Aquitaine region). They play at the Parc des Sports (capacity 2,800), and wear white and red.
They were founded on 2 December 1898 and regularly competed in the first division in the 1950s and 1960s. They played in the 1954 French championship final, going down narrowly to FC Grenoble 3-5. They are currently competing in the fifth level of the French league system, Fédérale 3.