1971 Washington Star International – Singles

The 1971 Washington Star International – Singles was an event of the 1971 Washington Star International tennis tournament and was played in Washington, D.C., United States from July 12 through July 18, 1971. Cliff Richey was the defending champion but lost in the second round. Ken Rosewall won the singles title, defeating Marty Riessen in the final, 6–2, 7–5, 6–1.