The 1986 du Maurier Classic was contested from July 24–27 at Board of Trade Country Club. It was the 14th edition of the du Maurier Classic, and the eighth edition as a major championship on the LPGA Tour.
This event was won by Pat Bradley in a sudden-death playoff over Ayako Okamoto with a birdie on the first extra hole.
Final leaderboard
edit| Place | Player | Score | To par | Money (US$) |
|---|---|---|---|---|
| 1 | Pat Bradley | 73-70-67-66=276 | −12 | 52,500 |
| 2 | Ayako Okamoto | 73-70-69-64=276 | 32,375 | |
| T3 | Betsy King | 72-67-71-71=281 | −7 | 21,000 |
| Nancy Scranton | 70-64-78-69=281 | |||
| T5 | Christa Johnson | 67-68-74-73=282 | −6 | 13,563 |
| Cathy Morse | 70-73-68-71=282 | |||
| 7 | Rosie Jones | 72-72-71-68=283 | −5 | 10,325 |
| T8 | Amy Alcott | 75-72-68-69=284 | −4 | 8,225 |
| Patti Rizzo | 74-69-70-71=284 | |||
| Sherri Turner | 71-71-73-69=284 |