| 2021 Hall of Fame Open | |
|---|---|
| Date | July 12–18 |
| Edition | 45th |
| Category | ATP Tour 250 series |
| Surface | Grass / outdoor |
| Location | Newport, Rhode Island, United States |
| Venue | International Tennis Hall of Fame |
| Champions | |
| Singles | |
 Kevin Anderson | |
| Doubles | |
 William Blumberg / Jack Sock | |
The 2021 Hall of Fame Open was a men's tennis tournament played on outdoor grass courts. It was the 45th edition of the event, and part of the 250 series of the 2021 ATP Tour. It took place at the International Tennis Hall of Fame in Newport, Rhode Island, United States, from July 12 through July 18, 2021.[1]