2020–21 Persian Gulf Pro League

The 2020–21 Persian Gulf Pro League (formerly known as Iran Pro League) were the 38th season of Iran's Football League and 20th as Persian Gulf Pro League since its establishment in 2001. Persepolis were the defending champions. The season featured 14 teams from the 2019–20 Persian Gulf Pro League and two new teams promoted from the 2019–20 Azadegan League: Mes Rafsanjan and Aluminium Arak.

The 2020–21 season started on 6 November 2020 and was ended on 30 July 2021. Persepolis won their record-extending 5th consecutive title and 14th title overall (7th in the Pro League era)

Personnel and kits
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

Foreign players
The number of foreign players is restricted to four per Persian Gulf Pro League team, including a slot for a player from AFC countries. A team can use four foreign players on the field in each game, including at least one player from the AFC country. In bold: Players that have been capped for their national team.