The 1991 LPGA Championship was played at Bethesda Country Club in Bethesda, Maryland. This was the 37th edition of the LPGA Championship and was played from June 27-30.
This championship was won by Meg Mallon.
| # | Player | Country | Score | To par | Money |
|---|---|---|---|---|---|
| 1 | Meg Mallon | United States | 68-68-71-67=274 | -10 | $150,000 |
| T2 | Ayako Okamoto | Japan | 70-64-73-68=275 | -9 | $80,000 |
| T2 | Pat Bradley | United States | 68-68-71-68=275 | -9 | $80,000 |
| 4 | Beth Daniel | United States | 71-70-68-69=278 | -6 | $52,500 |
| T5 | Barb Bunkowsky | United States | 70-68-70-71=279 | -5 | $38,750 |
| T5 | Deb Richard | United States | 67-70-72-70=279 | -5 | $38,750 |
| 7 | Betsy King | United States | 69-75-67-70=281 | -3 | $29,500 |
| 8 | JoAnne Carner | United States | 71-70-70-71=282 | -2 | $26,000 |
| 9 | Juli Inkster | United States | 72-70-71-70=283 | -1 | $23,500 |
| 10 | Amy Alcott | United States | 69-70-71-74=284 | E | $21,000 |
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