| 1980 U.S. Women's Open | |
| Dates: | July 10–13, 1980 |
| Location: | Nashville, Tennessee |
| Course: | Richland Country Club |
| Org: | USGA |
| Tour: | LPGA Tour |
| Par: | 71 |
| Yardage: | [1] |
| Field: | 150 players, 60 after cut |
| Cut: | 153 (+9)[2] |
| Purse: | $140,000 |
| Winners Share: | $20,047 |
| Champion: |  Amy Alcott |
| Score: | 280 (−4) |
| Previous: | 1979 |
| Next: | 1981 |
The 1980 U.S. Women's Open was the 35th U.S. Women's Open, held July 10–13 at Richland Country Club in Nashville, Tennessee.
Amy Alcott won her only U.S. Women's Open, nine shots ahead of runner-up She entered the final round with an eight-stroke lead;[3] it was the second of her five major titles.
The field of 150 players included 49 amateurs,[4] of which two made the 36-hole cut.[5]
On the weekend, temperatures reached .
Sunday, July 13, 1980
| Place | Player | Score | To par | Money ($) | |||
|---|---|---|---|---|---|---|---|
| 1 | Amy Alcott | 70-70-68-72=280 | −4 | 20,047< | --.50--> | ||
| 2 | Hollis Stacy | 75-71-70-73=289 | +5 | 11,347< | --.50--> | ||
| 3 | Kathy McMullen | 74-73-71-73=291 | +7 | 8,547< | -- .50 --> | ||
| align=center rowspan=2 | T4 | Donna Caponi Young | 72-72-75-73=292 | align=center rowspan=2 | +8 | align=center rowspan=2 | 6,347 |
| Judy Dickinson | 75-73-73-71=292 | ||||||
| 6 | Louise Bruce-Parks | 73-74-73-73=293 | +9 | 4,847< | --.50--> | ||
| align=center rowspan=3 | T7 | Jane Blalock | 76-71-71-76=294 | align=center rowspan=3 | +10 | align=center rowspan=3 | 3,964 |
| Lori Garbacz | 72-76-75-71=294 | ||||||
| Nancy Lopez-Melton | 74-72-71-77=294 | ||||||
| align=center rowspan=4 | T10 | Beth Daniel | 76-72-69-78=295 | align=center rowspan=4 | +11 | align=center rowspan=4 | 3,085 |
 Eva Chang | 74-74-72-75=295 | ||||||
| JoAnne Carner | 74-72-74-75=295 | ||||||
| Patty Hayes | 75-72-74-74=295 |