| 2016 Citi Open | |
|---|---|
| Date | July 18–24 |
| Edition | 48th (men) / 6th (women) |
| Category | ATP World Tour 500 (men) WTA International (women) |
| Surface | Hard |
| Location | Washington, D.C., United States |
| Venue | William H.G. FitzGerald Tennis Center |
| Champions | |
| Men's singles | |
 Gaël Monfils | |
| Women's singles | |
 Yanina Wickmayer | |
| Men's doubles | |
 Daniel Nestor / Édouard Roger-Vasselin | |
| Women's doubles | |
 Monica Niculescu / Yanina Wickmayer | |
The 2016 Citi Open was a tennis tournament played on outdoor hard courts. It was the 48th edition (for the men) and the 6th edition (for the women) of the Washington Open. The event was part of the ATP World Tour 500 series of the 2016 ATP World Tour, and of the WTA International tournaments of the 2016 WTA Tour. It took place at the William H.G. FitzGerald Tennis Center in Washington, D.C., United States, from July 18 to July 24, 2016.