The 2015–16 Hazfi Cup was the 29th season of the Iranian football knockout competition. Zob Ahan Isfahan was the defending champion. The competition started on 27 August 2015 and the final was played on 29 May 2016.
Zob Ahan won the tournament for the second time in a row after defeating Esteghlal in the final.

Totally 80 teams participated in the 2015–16 season. The teams were divided into two main groups.

16 teams of Iran Premier League:

64 teams of Azadegan League, Iran 2nd Division League, and Provincial Leagues:

In the first stage of "2015–16 Hazfi Cup", 64 teams presented. In this stage one round played, and finally, 16 teams qualified for the second stage.

Note: Khalkhal Dasht withdrew

Note: Damash Gilan withdrew

Note: Naft va Gaz Gachsaran withdrew

Note: Shahrdari Kamyaran withdrew

Note: Rahpouyan Rezvanshahr withdrew

Note: Naft Omidiyeh withdrew

Note: Aboumoslem withdrew

Note: Montakhab Arak withdrew

Note: Montakhab Birjand withdrew

Note: Kargar Boneh Gaz withdrew

Note: Abouzar Basht withdrew

Note: Montakhab Bojnord withdrew

Note: Shahrdari Bandar Abbas withdrew

Note: Khoneh Be Khoneh withdrew

Note: Aluminium Arak withdrew

Note: Ansar Bafgh withdrew

Note: Tarbiat Yazd withdrew

Note: Caspian Qazvin withdrew

Note: Naft Novin withdrew

Note: Montakhab Urmia withdrew

Note: Arad Isfahan withdrew

Note: Kadous Masal Gilan withdrew

Note: Etka Gorgan withdrew

Note: Be'sat Kermanshah withdrew

Note: Shahrdari Urmia withdrew

Note: Pars Jam withdrew

Note: Shahrdari Tabriz withdrew

Note: Montakhab Semnan withdrew

Note: Moghavemat Tehran withdrew

Note: Hamun Sazeh withdrew

Note: Shahrdari Mahshahr withdrew

Note: Esteghlal Javan Saveh withdrew

...
Wikipedia