The 1986 Pan Pacific Open was a women's tennis tournament played on indoor carpet courts at the Tokyo Metropolitan Gymnasium in Tokyo in Japan and was part of the Category 4 tier of the 1986 WTA Tour.

It was the 11th edition of the tournament and ran from 8 September through 14 September 1986.

First-seeded Steffi Graf won the singles title.

[1][2] Steffi Graf defeated Manuela Maleeva 6–4, 6–2 Bettina Bunge / Steffi Graf defeated Katerina Maleeva / Manuela Maleeva 6–1, 6–7(4–7), 6–2