2021 ATP Finals
| 2021 ATP Finals | |
|---|---|
| Date | 14–21 November |
| Edition | 52nd (singles) / 47th (doubles) |
| Category | ATP Finals |
| Draw | 8S/8D |
| Prize money | $7,250,000 |
| Surface | Hard (indoor) |
| Location | Turin, Italy |
| Venue | Pala Alpitour |
| Champions | |
| Singles | |
| Alexander Zverev | |
| Doubles | |
| Pierre-Hugues Herbert / Nicolas Mahut | |
The 2021 ATP Finals (also known as the 2021 Nitto ATP Finals for Nitto sponsorship) was a men's tennis year-end tournament played on indoor hard courts at the Pala Alpitour in Turin, Italy, from 14 to 21 November 2021. It was the season-ending event for the highest-ranked singles players and doubles teams on the 2021 ATP Tour.
This was the 52nd edition of the tournament (47th in doubles), and the first time Turin hosted the ATP Tour year-end championships.