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.
See main article: 1976 US Open – Men's singles. 
Jimmy Connors defeated 
Björn Borg, 6–4, 3–6, 7–6(11-9), 6–4
See main article: 1976 US Open – Women's singles. Chris Evert defeated 
Evonne Goolagong Cawley 6–3, 6–0
See main article: 1976 US Open – Men's doubles. Tom Okker / Marty Riessen defeated Paul Kronk / Cliff Letcher 6–4, 6–4 [1] [2]
See main article: 1976 US Open – Women's doubles. Delina Boshoff / Ilana Kloss defeated Olga Morozova / 
Virginia Wade 6–1, 6–4 [3]
See main article: 1976 US Open – Mixed doubles. Billie Jean King / Phil Dent defeated Betty Stöve / Frew McMillan 3–6, 6–2, 7–5
Ricardo Ycaza defeated 
José Luis Clerc 6–4, 5–7, 6–0
Marise Kruger defeated Lucia Romanov 6–3, 7–5
| width=200 colspan=2 bgcolor=#dfe2e9 | Event | width=80 bgcolor=lime | W | width=85 bgcolor=#D8BFD8 | F | width=85 bgcolor=#FFFF00 | SF | width=85 bgcolor=#ffebcd | QF | width=85 bgcolor=#afeeee | 4R | width=85 bgcolor=#afeeee | 3R | width=85 bgcolor=#afeeee | 2R | width=85 bgcolor=#afeeee | 1R |
| Singles [4] | Men | $30,000 | $15,000 | $7,500 | $3,500 | $2,200 | $1,225 | $700 | $425 | ||||||||
| Women | $30,000 | $15,000 | $7,500 | $3,500 | - | $2,200 | $1,225 | $700 | |||||||||