The 2021–22 Azadegan League was the 31st season of the Azadegan League and 21st as the second highest division since its establishment in 1991.
[1][2][3] The season was to start on 11 October 2021[4] with 13 teams from the 2020–21 Azadegan League, two new teams relegated from the 2020–21 Persian Gulf Pro League: Saipa and Machine Sazi and three new teams promoted from the 2020–21 League 2: Mes Shahr-e Babak, Shahrdari Hamedan and Vista Toorbin Tehran as champion, runner-up and third placed team, respectively.