A.C. Libertas is a Sanmarinesefootball club, based in Borgo Maggiore. The club was founded in 1928. Libertas currently plays in Girone B of Campionato Sammarinese di Calcio. The team's colors are red and white.
Libertas is the oldest football club in San Marino.
The team qualified for the UEFA Cup Preliminary phase in 2007. However, they lost by a 1-4 aggregate to Drogheda United from Ireland in the next round.