The 1985 U.S. Women's Open Golf Championship was contested from July 11 to July 14 at Baltusrol Golf Club. It was the 40th edition of the U.S. Women's Open.
This event was won by Kathy Guadagnino.
| # | Player | Country | Score | To par | Money |
|---|---|---|---|---|---|
| 1 | Kathy Guadagnino | United States | 70-72-68-70=280 | -8 | $41,975.00 |
| 2 | Judy Dickinson | United States | 71-75-65-72=283 | -5 | $21,700.00 |
| 3 | Vicki Alvarez | United States | 72-69-71-75=287 | -1 | $16,800.00 |
| T4 | Janet Coles | United States | 72-69-71-76=288 | E | $10,854.50 |
| T4 | Nancy Lopez | United States | 70-70-71-77=288 | E | $10,854.50 |
| T6 | Penny Pulz | Australia | 75-74-70-70=289 | +1 | $7,497.50 |
| T6 | Sally Little | South Africa United States |
73-70-74-72=289 | +1 | $7,497.50 |
| T8 | Ayako Okamoto | Japan | 72-74-73-71=290 | +2 | $5,893.34 |
| T8 | Betsy King | United States | 71-73-71-75=290 | +2 | $5,893.34 |
| T8 | Jane Geddes | United States | 74-75-69-72=290 | +2 | $5,893.34 |
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