| 1961 U.S. National Championships | |
|---|---|
| Date | September 1–10 |
| Edition | 81st |
| Category | Grand Slam (ITF) |
| Surface | Grass / Outdoor |
| Location | Forest Hills, Queens New York City, United States |
| Venue | West Side Tennis Club |
| Champions | |
| Men's singles | |
 Roy Emerson[1] | |
| Women's singles | |
 Darlene Hard | |
| Men's doubles | |
| Chuck McKinley / Dennis Ralston | |
| Women's doubles | |
| Darlene Hard / Lesley Turner | |
| Mixed doubles | |
| Margaret Smith / Bob Mark | |
The 1961 U.S. National Championships (now known as the US Open) was a tennis tournament that took place on the outdoor grass courts at the West Side Tennis Club, Forest Hills in New York City, United States. The tournament ran from September 1 until September 10, 1961. It was the 81st staging of the U.S. National Championships, and the fourth Grand Slam tennis event of 1961.
- ^ "1961 US Open – Men's singles draw". Association of Tennis Professionals (ATP).