The 2012–13 Lega Pro Prima Divisione season was the thirty-fifth football league season of Italian Lega Pro Prima Divisione since its establishment in 1978, and the fifth since the renaming from Serie C to Lega Pro. It was divided into two phases: the regular season, and the playoff phase. The league was also composed of 33 teams divided into two divisions of 17 and 16 teams respectively for group A and B.