| 1974 U.S. Women's Open | |
| Dates: | July 18–21, 1974 |
| Location: | La Grange, Illinois |
| Course: | La Grange Country Club |
| Org: | USGA |
| Tour: | LPGA Tour |
| Par: | 72 |
| Cut: | 155 (+11) |
| Purse: | $40,000 |
| Winners Share: | $6,073 |
| Champion: |  Sandra Haynie |
| Score: | 295 (+7) |
| Previous: | 1973 |
| Next: | 1975 |
The 1974 U.S. Women's Open was the 29th U.S. Women's Open, held July 18–21 at La Grange Country Club in La Grange, Illinois, a suburb west of Chicago.
After a double bogey, Sandra Haynie sank birdie putts from 70feetand15feetft (andft) on the final two holes to win by a stroke over runners-up Carol Mann and Beth Haynie had won the previous major, the LPGA Championship, a month
Sunday, July 21, 1974
| Place | Player | Score | To par | Money ($) | |||
|---|---|---|---|---|---|---|---|
| 1 | Sandra Haynie | 73-73-74-75=295 | +7 | 6,073< | --.75--> | ||
| align=center rowspan=2 | T2 | Beth Stone | 75-74-76-71=296 | align=center rowspan=2 | +8 | align=center rowspan=2 | 2,573 |
| Carol Mann | 72-72-77-75=296 | ||||||
| align=center rowspan=2 | T4 | JoAnne Carner | 77-72-71-77=297 | align=center rowspan=2 | +9 | align=center rowspan=2 | 1,623 |
| Kathy Whitworth | 75-77-74-71=297 | ||||||
| 6 |  Sandra Post | 81-72-71-74=298 | +10 | 1,473< | --.75--> | ||
| align=center rowspan=2 | T7 | Debbie Massey (a) | 71-73-80-75=299 | align=center rowspan=2 | +11 | 0 | |
| Donna Caponi Young | 71-76-79-73=299 | 1,373< | --.75--> | ||||
| align=center rowspan=2 | T9 | Jane Booth (a) | 76-74-76-74=300 | align=center rowspan=2 | +12 | 0 | |
| Ruth Jessen | 77-71-71-81=300 | 1,273< | --.75--> |