The 1971 U.S. Open Championship was the 71st U.S. Open played June 17-21 at Merion Golf Club (East Course) in Ardmore, Pennsylvania. Lee Trevino won the championship in an 18-hole playoff over Jack Nicklaus (68 to 71).
| # | Player | Country | Score | To par | Winnings ($) |
|---|---|---|---|---|---|
| 1 | Lee Trevino | United States | 70-72-69-69=280 | E | 30,000 |
| 2 | Jack Nicklaus | United States | 69-72-68-71=280 | 15,000 | |
| T3 | Jim Colbert | United States | 69-69-73-71=282 | +2 | 9,000 |
| Bob Rosburg | United States | 71-72-70-69=282 | |||
| T5 | George Archer | United States | 71-70-70-72=283 | +3 | 6,500 |
| Johnny Miller | United States | 70-73-70-70=283 | |||
| Jim Simons (a) | United States | 71-71-65-76=283 | 0 | ||
| 8 | Raymond Floyd | United States | 71-75-67-71=284 | +4 | 5,000 |
| T9 | Gay Brewer | United States | 70-70-73-72=285 | +5 | 3,325 |
| Larry Hinson | United States | 71-71-70-73=285 | |||
| Bobby Nichols | United States | 69-72-69-75=285 | |||
| Bert Yancey | United States | 75-69-69-72=285 |
| Preceded by 1971 Masters |
Major Championships | Succeeded by 1971 Open Championship |
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