| 1976 US Open | |
|---|---|
| Date | 1 – 12 September |
| Edition | 96th |
| Category | Grand Slam (ITF) |
| Surface | Clay (Har-Tru) |
| Location | Forest Hills, Queens, United States |
| Venue | West Side Tennis Club |
| Champions | |
| Men's singles | |
 Jimmy Connors | |
| Women's singles | |
| Chris Evert | |
| Men's doubles | |
 Tom Okker / Marty Riessen | |
| Women's doubles | |
 Delina Boshoff / Ilana Kloss | |
| Mixed doubles | |
Billie Jean King /  Phil Dent | |
The 1976 US Open was a tennis tournament that took place on the outdoor Har-Tru clay courts at the West Side Tennis Club in Forest Hills, Queens, in New York City, United States. The tournament ran from 1 until 12 September. It was the 96th staging of the US Open, and the fourth Grand Slam tennis event of 1976. It was the second year in which this tournament was played on clay courts.