2021 Argentina Open
| 2021 Argentina Open | |
|---|---|
| Date | 1 – 7 March |
| Edition | 24th |
| Category | ATP Tour 250 series |
| Draw | 28S / 16D |
| Prize money | $411,940 |
| Surface | Clay / outdoor |
| Location | Buenos Aires, Argentina |
| Venue | Buenos Aires Lawn Tennis Club |
| Champions | |
| Singles | |
| Diego Schwartzman | |
| Doubles | |
| Tomislav Brkić / Nikola Ćaćić | |
The 2021 Argentina Open was a men's tennis tournament played on outdoor clay courts. It was the 24th edition of the ATP Buenos Aires event and part of the ATP Tour 250 series of the 2021 ATP Tour. It took place in Buenos Aires, Argentina, from 1–7 March 2021.