The 1976 Western Championships, also known as Cincinnati Open, was a men's tennis tournament played on outdoor clay courts at the Sunlite Swim and Tennis Club at Old Coney in Cincinnati, Ohio in the United States. It was the 76th edition of the tournament and was part of the Three Star category of the 1976 Commercial Union Assurance Grand Prix circuit. The tournament was held from July 12 through July 18, 1976. Second-seeded Roscoe Tanner won the singles title.
Roscoe Tanner defeated Eddie Dibbs 7–6, 6–3
Stan Smith / Erik van Dillen defeated Eddie Dibbs / Harold Solomon 6–1, 6–1