The 1991 du Maurier Classic was contested from September 12–15 at Vancouver Golf Club. It was the 19th edition of the du Maurier Classic, and the 13th edition as a major championship on the LPGA Tour.
This event was won by Nancy Scranton.
Final leaderboard
edit| Place | Player | Score | To par | Money (US$) |
|---|---|---|---|---|
| 1 |  Nancy Scranton |
72-75-64-68=279 | −9 | 105,000 |
| 2 | Debbie Massey |
67-70-72-73=282 | −6 | 64,750 |
| T3 |  Laura Davies |
71-71-71-71=284 | −4 | 37,916 |
| Trish Johnson |
67-71-73-73=284 | |||
 Pamela Wright |
72-69-69-74=284 | |||
| T6 |  Dawn Coe |
68-77-71-70=286 | −2 | 17,966 |
| Vicki Fergon |
72-72-72-70=286 | |||
| Rosie Jones |
71-71-69-75=286 | |||
| Betsy King |
71-71-72-72=286 | |||
| Caroline McMillan |
70-73-71-72=286 | |||
| Dottie Pepper |
69-69-74-74=286 |