The 2011–12 Persian Gulf Cup was the 29th season of Iran's Football League and 11th as Iran Pro League since its establishment in 2001. Sepahan were the defending champions. The season featured 15 teams from the 2010–11 Persian Gulf Cup and three new teams promoted from the 2010–11 Azadegan League: Damash as champions, Mes Sarcheshmeh and Fajr Sepasi. The league started on 2 August 2011 and ended on 11 May 2012. Sepahan won the Pro League title for the fourth time in their history. Saipa's Karim Ansarifard's 21 goals made him the top scorer.

The Persian Gulf Pro League, formerly known as the Iran Premier League, is the highest division of professional football in Iran. Each year, its top team becomes the Iranian football champion, and the two lowest finishers are relegated to Azadegan League.