US Concarneau (French: Union Sportive Concarnoise) is a French football club based in Concarneau (Finistère). It was founded in 1911.
The Stade Municipal Guy-Piriou, known until 2011 as the Stade de Kerampéru, is a football stadium located in Concarneau in the Finistère department. The stadium is named after one of the founders of the Piriou shipyards, also located in Concarneau, who died in 2009. Inaugurated in 1988, its capacity is currently 2,539 seats and the work to bring Ligue 2 up to standard, which should be completed in the summer of 2025, will give a future capacity estimated at 3,622 seats.
Its main ground is the home stadium of US Concarneau, a football team representing the city and playing in the National.
