Olympique Saint-Quentinois (OSQ) is a French association football club based in Saint-Quentin, Picardy, in northern France. Founded in 1920, they are currently competing in the Championnat National 3 following relegation from Championnat National 2 in 2024. They play at the Stade Paul Debrésie in Saint-Quentin, which has a capacity of 10,000.