The 1976 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts (Har-Tru) at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. It was classified as a 4 Star category tournament and was part of the 1976 Grand Prix circuit. It was the 49th edition of the tournament and was held from August 23 through August 30, 1976. Second-seeded, and defending champion of the previous two editions, Björn Borg won the singles title and the accompanying $25,000 first-prize money as well as a 100 Grand Prix ranking points.[1] [2]
See main article: 1976 U.S. Pro Tennis Championships – Singles. 
Björn Borg defeated 
Harold Solomon 6–7(3–7), 6–4, 6–1, 6–2
See main article: 1976 U.S. Pro Tennis Championships – Doubles. 
Ray Ruffels / Allan Stone defeated Mike Cahill / John Whitlinger 3–6, 6–3, 7–6