The 1974 Xerox WCT Tennis Classic , also known as the Washington Indoor, was a men's tennis tournament played on indoor carpet courts at the Capital Centre in Landover, Maryland in the United States that was part of the Red Group of the 1974 World Championship Tennis circuit.

It was the third edition of the tournament and was held from March 11 through March 17, 1974.

First-seeded Ilie Năstase won the singles title and earned $10,000 first-prize money after defeating defending champion Tom Okker in the final.

[3][4][5] Ilie Năstase defeated Tom Okker 6–3, 6–3 Bob Hewitt / Frew McMillan defeated Tom Okker / Marty Riessen 7–6, 6–3