Westport United Football Club is an amateur football club in Westport, County Mayo, Republic of Ireland. Founded in 1911, it is the oldest football club in County Mayo and its players wear red and black stripes. Home games are played at Westport Sports Park. The club has two men's teams, one ladies' side, two girls' teams and twelve boys' teams. Westport share a rivalry with Castlebar Celtic. Westport's senior team compete in the Elvery's Superleague as well as the Connacht Cup.