1975 US Open – Men's singles

Men's singles
1975 US Open
Champion Manuel Orantes
Runner-up Jimmy Connors
Score6–4, 6–3, 6–3
Draw128
Seeds16

Manuel Orantes defeated defending champion Jimmy Connors in the final, 6–4, 6–3, 6–3 to win the men's singles tennis title at the 1975 US Open. It was his first and only major singles title. Orantes saved five match points en route to the title, against Guillermo Vilas in the semifinals.

This was the first of three editions of the US Open to be held on clay courts, previously being played on grass courts.