1974 U.S. Professional Indoor
Date	January 21–27
Edition	7th
Category	World Championship Tennis
Draw	84S / 64D
Prize money	$100,000
Surface	Carpet / indoor
Location	Philadelphia, PA, United States
Venue	Spectrum
Champions
Singles
Rod Laver[1]
Doubles
Pat Cramer / Mike Estep[2]
← 1973 · U.S. Professional Indoor · 1975 →

The 1974 U.S. Professional Indoor was a men's tennis tournament that was part of the WCT circuit and played on indoor carpet courts at the Spectrum in Philadelphia, Pennsylvania in the United States. It was the seventh edition of the tournament and was held from January 21 through January 27, 1974. Sixth-seeded Rod Laver won the singles title, his fourth at the event after 1969, 1970 and 1972.^[3]

Finals

Singles

Rod Laver defeated Arthur Ashe 6–1, 6–4, 3–6, 6–4 ^[1]

• It was Laver's 1st title of the year and the 52nd of his open era career.

Doubles

Pat Cramer / Mike Estep defeated Jean-Baptiste Chanfreau / Georges Goven 6–1, 6–1 ^[2]

• It was Cramer's only title of the year and the 2nd of his career. It was Estep's only title of the year and the 7th of his career.