The 2012–13 Persian Gulf Cup (also known as Iran Pro League) was the 30th season of Iran's Football League and 12th as Iran Pro League since its establishment in 2001. Sepahan were the defending champions. The season featured 15 teams from the 2011–12 Persian Gulf Cup and three new teams promoted from the 2011–12 Azadegan League: Paykan as champions, Aluminium Hormozgan and Gahar Zagros. The league started on 19 July 2012 and ended on 10 May 2013. Esteghlal won the Pro League title for the third time in their history (total eighth Iranian title).