The 21st International Indian Film Academy Awards were supposed to take place in Indore from March 27 to 29, 2020. Due to the COVID-19 pandemic, they were postponed. However, on 24 November 2021, the IIFA organising team declared the name of winners of all categories through their Instagram handle.
Date : Postponed
Location : Minto Hall, The Daly College
Hosted by : Aparshakti Khurana; Ayushmann Khurrana
| Best Actor in a Leading Role | Shahid Kapoor - Kabir Singh |
| Best Actress in a Leading Role | Alia Bhatt - Gully Boy |
| Best Director | Aditya Dhar - Uri: The Surgical Strike |
| Best Lyrics | Kesari - Manoj Muntashir ( Song: Teri Mitti ) |
| Best Music Direction | Kabir Singh (Akhil Sachdeva, Sachet Tandon, Parampara Thakur, Mithun Sharma, Amaal Mallik, Vishal Mishra) |
| Best Picture | Kabir Singh ( Bhushan Kumar, Krishan Kumar, Murad Khetani, Ashwin Varde ) |
| Best Playback Singer - Female | Shreya Ghoshal - Kabir Singh (Song: Yeh Aaina) |
| Best Playback Singer - Male | Arijit Singh - War (Song: Ghungroo) |
| Best Story | Reema Kagti, Zoya Akhtar - Gully Boy |
| Best Supporting Actor | Siddhant Chaturvedi - Gully Boy |
| Best Supporting Actress | Kiara Advani - Good Newwz |
| Most Promising Debut Actor | Abhimanyu Dasani - Mard Ko Dard Nahin Hota |
| Most Promising Debut Actress | Ananya Panday - Student of the Year 2 |
| Best Background Score | Shashwat Sachdev -Uri: The Surgical Strike |
| Best Choreography | War (Bosco Martis, Caesar Gonsalves, Tushar Kalia) |
| Best Cinematography | Gully Boy - Jay Oza |
| Best Dialogue | Gully Boy - Vijay Maurya |
| Best Editing | Gully Boy - Nitin Baid |
| Best Screenplay | Article 15 - Anubhav Sinha, Gaurav Solanki |
| Best Sound Design | Uri: The Surgical Strike ( Bishwadeep Chatterjee ) |
| Best Sound Mixing | War - Anuj Mathur, Pritam Das |
| Best Special Effects | War |