| 1971 U.S. Women's Open | |
| Dates: | June 24–27, 1971 |
| Location: | Erie, Pennsylvania |
| Course: | Kahkwa Club |
| Org: | USGA |
| Tour: | LPGA Tour |
| Format: | Stroke play – 72 holes |
| Par: | 72 |
| Yardage: | 6306yd[1] |
| Field: | 134, 53 after cut |
| Cut: | 159 (+15) |
| Purse: | $31,000 |
| Winners Share: | $5,000 |
| Champion: |  JoAnne Carner |
| Score: | 288 (E) |
| Previous: | 1970 |
| Next: | 1972 |
The 1971 U.S. Women's Open was the 26th U.S. Women's Open, held June 24–27 at Kahkwa Club in Erie, Pennsylvania.
JoAnne Carner won the first of her two U.S. Women's Open titles, seven strokes ahead of runner-up Kathy Whitworth.[2] Carner led (or co-led) wire-to-wire and entered the final round with a five-stroke lead over 1963 champion Mary Mills.[3] The course was designed by Donald Ross.
Sunday, June 27, 1971
| Place | Player | Score | To par | Money ($) | |||
|---|---|---|---|---|---|---|---|
| 1 | JoAnne Carner | 70-73-72-73=288 | E | 5,000 | |||
| 2 | Kathy Whitworth | 73-77-73-72=295 | +7 | 2,500 | |||
| align=center rowspan=4 | T3 | Jane Booth (a) | 72-77-76-74=299 | align=center rowspan=4 | +11 | 0 | |
| Jane Blalock | 75-73-74-77=299 | align=center rowspan=3 | 1,233 | ||||
| Donna Caponi | 70-75-77-77=299 | ||||||
| Mickey Wright | 73-75-75-76=299 | ||||||
| align=center rowspan=2 | T7 | Kathy Cornelius | 73-78-73-76=300 | align=center rowspan=2 | +12 | align=center rowspan=2 | 875 |
| Lesley Holbert | 71-75-81-73=300 | ||||||
| align=center rowspan=2 | T9 | Martha Kirouac (a) | 74-78-77-72=301 | align=center rowspan=2 | +13 | align=center rowspan=2 | 0 |
| Shelley Hamlin (a) | 77-76-73-75=301 |