Carlisle United F.C. (/kɑrˈlaɪl/ or /ˈkɑrlaɪl/) is an English football club based in Carlisle, Cumbria, where they play at Brunton Park. Formed in 1904, the club currently compete in League Two, the fourth tier of the English football league system.
They have won three league titles and two cup competitions in their long history. They played in the then First Division in the 1974–75 season, making the city of Carlisle the smallest location, by population, to have had a resident top-flight English football club since 1906. The club has reached the final of the Football League Trophy 6 times, more than any other team, winning it on two occasions in 1997 and 2011.
The club's traditional kit is blue with white and red detail. The badge takes elements from the city's coat of arms including two wyverns which are the regent of Cumbria.