The 1986 Singapore Women's Open was a women's tennis tournament played on indoor hard courts in Singapore and was part of the Category 1 tier of the 1986 Virginia Slims World Championship Series.

It was the inaugural edition of the Singapore Women's Open and was held from 20 October through 26 October 1986.

Sixth-seeded Gigi Fernández won the singles title.

[1] Gigi Fernández defeated Mercedes Paz 6–4, 2–6, 6–4 Anna-Maria Fernandez / Julie Richardson defeated Sandy Collins / Sharon Walsh-Pete 6–3, 6–2