List of Tamil films of 2021
This is a list of Tamil language films produced in the Tamil cinema in India that were released or schedule to release in 2021.
Box office collection
The highest-grossing Tamil films released in 2021, by worldwide box office gross revenue, are as follows:| Rank | Film | Production company | Worldwide gross | References | - |
| 1 | Master | XB Film Creators | ₹228crore | - | |
| 2 | Annaatthe | Sun Pictures | ₹170crore | - | |
| 3 | Maanaadu | V House Productions | 117 crore | ||
| 4 | Doctor | KJR Studios SK Productions | 100 crore | - | |
| 5 | Karnan | V Creations | 67.25 crore | - | |
| 6 | Aranmanai 3 | Avni Cinemax | - |