دوري سان مارينو
Campionato Sammarinese di Calcio (: Sammarinese Football Championship) is an amateur league competition for football clubs located at the only level of the Sammarinese football league system (no relegation system exists) and has been operating since the 1985–1986 season. Currently, Campionato Sammarinese di Calcio is ranked last at number 55 among European leagues according to UEFA's league coefficient, which is based on the performance of Sammarinese clubs in the Champions League and the Europa League.