| 1986 Brazilian Open | |
|---|---|
| Date | 8–15 December |
| Edition | 4th |
| Category | 1 |
| Draw | 56S / 24D |
| Prize money | $50,000 |
| Surface | Clay |
| Location | São Paulo, Brazil |
| Champions | |
| Singles | |
 Vicki Nelson-Dunbar | |
| Doubles | |
 Neige Dias /  Patricia Medrado | |
The 1986 Brazilian Open was a women's tennis tournament played on outdoor clay courts in São Paulo in Brazil and was part of the Category 1 tier of the 1987 Virginia Slims World Championship Series. It was the fourth edition of the tournament and was held from 8 December through 15 December 1986. Eighth-seeded Vicki Nelson-Dunbar won the singles title.
