1975 U.S. Open may refer to:
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1975 U.S. Open (golf)
The 1975 U.S. Open was the 75th U.S. Open, held June 19–23, at Medinah Country Club in Medinah, Illinois, a suburb northwest of Chicago. Lou Graham defeated John Mahaffey by two strokes in an 18-hole Monday playoff to win his only major cham ...
, a major golf tournament
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1975 US Open (tennis)
The 1975 US Open was a tennis tournament that took place on the outdoor clay courts at the West Side Tennis Club in Forest Hills, Queens, in New York City, United States. The tournament ran from 27 August until 7 September. It was the 95th stagin ...
, a Grand Slam tennis tournament
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