| Date: | March 10–16 |
| Edition: | 4th |
| Category: | WCT (Red Group) |
| Prize Money: | $60,000 |
| Draw: | 32S / 16D |
| Surface: | Carpet / indoor |
| Location: | Landover, Maryland, United States |
| Venue: | Capital Centre |
| Champs: |  Mark Cox[1] |
| Champd: |  Mike Estep /  Jeff Simpson[2] |
| Before Name: | Xerox WCT Tennis Classic |
| After Name: | Volvo Classic |
| Main Name: | Washington Indoor |
The 1975 Xerox 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 1975 World Championship Tennis circuit. It was the fourth edition of the tournament and was held from March 10 through March 16, 1975. Unseeded Mark Cox won the singles title and earned $12,000 first-prize money after defeating Dick Stockton in the final.[3] [4]
Mark Cox defeated Dick Stockton 6–2, 7–6
Mike Estep / Jeff Simpson defeated 
Anand Amritraj / Vijay Amritraj 7–6, 6–3