The 2012–13 Lega Pro Seconda Divisione season was the thirty-fifth football league season of Italian Lega Pro Seconda Divisione since its establishment in 1978, and the fifth since the renaming from Serie C to Lega Pro.
The league currently would be composed of 36 teams divided into two divisions (Girone A and B) divided geographically, with the exception of the Sicilian team Milazzo that plays in group A, each composed of 18 teams.
Teams finishing first and second in the regular season, plus one team winning the playoff round from each division will be promoted to Lega Pro Prima Divisione.
The last three teams in the regular season, plus one relegation play-out loser from each division will be relegated to Serie D. The two relegation play-out winners, one from each division, will play each other and the loser will become the ninth team relegated.
In all, six teams will be promoted to Lega Pro Prima Divisione, and nine teams will be relegated to Serie D. Teams from Aosta Valley, Emilia-Romagna, Liguria, Lombardy, Piedmont, Sicily & Veneto Teams from Abruzzo, Apulia, Basilicata, Calabria, Campania, Lazio, Molise, Tuscany & Umbria Vallée d’Aoste relegated to Serie D.[1] HinterReggio relegated to Serie D Gavorrano relegated to Serie D