The 1980 U.S. Women's Open Golf Championship was contested from July 10 to July 13 at Richland Country Club. It was the 35th edition of the U.S. Women's Open.
This event was won by Amy Alcott.
| # | Player | Country | Score | To par | Money |
|---|---|---|---|---|---|
| 1 | Amy Alcott | United States | 70-70-68-72=280 | -4 | $20,047.50 |
| 2 | Hollis Stacy | United States | 75-71-70-73=289 | +5 | $11,347.50 |
| 3 | Kathy McMullen | United States | 74-73-71-73=291 | +7 | $8,547.50 |
| T4 | Donna Caponi | United States | 72-72-75-73=292 | +8 | $6,347.50 |
| T4 | Judy Dickinson | United States | 75-73-73-71=292 | +8 | $6,347.50 |
| 6 | Louise Bruce-Parks | United States | 73-74-73-73=293 | +9 | $4,847.50 |
| T7 | Jane Blalock | United States | 76-71-71-76=294 | +10 | $3,964.17 |
| T7 | Lori Garbacz | United States | 72-76-75-71=294 | +10 | $3,964.17 |
| T7 | Nancy Lopez | United States | 74-72-71-77=294 | +10 | $3,964.16 |
| T10 | Beth Daniel | United States | 76-72-69-78=295 | +11 | $3,085.00 |
| T10 | Eva Chang | United States | 74-74-72-75=295 | +11 | $3,085.00 |
| T10 | JoAnne Carner | United States | 74-72-74-75=295 | +11 | $3,085.00 |
| T10 | Patty Hayes | United States | 75-72-74-74=295 | +11 | $3,085.00 |
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