The 1990 LPGA Championship was played at Bethesda Country Club in Bethesda, Maryland. This was the 36th edition of the LPGA Championship and was played from July 26-29.
This championship was won by Beth Daniel.
| # | Player | Country | Score | To par | Money |
|---|---|---|---|---|---|
| 1 | Beth Daniel | United States | 71-73-70-66=280 | -4 | $150,000 |
| 2 | Rosie Jones | United States | 69-70-70-72=281 | -3 | $92,500 |
| 3 | Dawn Coe-Jones | Canada | 73-71-68-72=284 | E | $67,500 |
| 4 | Sue Ertl | United States | 70-67-79-69=285 | +1 | $52,500 |
| T5 | Betsy King | United States | 72-73-72-69=286 | +2 | $33,250 |
| T5 | Cindy Figg-Currier | United States | 72-68-73-73=286 | +2 | $33,250 |
| T5 | Patty Sheehan | United States | 75-71-70-70=286 | +2 | $33,250 |
| T5 | Tammie Green | United States | 72-72-70-72=286 | +2 | $33,250 |
| T9 | Anne Marie Palli | France | 75-72-70-70=287 | +3 | $19,500 |
| T9 | Ayako Okamoto | Japan | 75-69-70-73=287 | +3 | $19,500 |
| T9 | Cathy Johnston-Forbes | United States | 70-70-71-76=287 | +3 | $19,500 |
| T9 | Deb Richard | United States | 71-72-70-74=287 | +3 | $19,500 |
| T9 | Pat Bradley | United States | 73-71-71-72=287 | +3 | $19,500 |
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