The 1986 WTA Argentine Open was a women's tennis tournament played on outdoor clay courts at the Buenos Aires Lawn Tennis Club in Buenos Aires, Argentina and was part of the Category 1 tier of the 1987 Virginia Slims World Championship Series.

It was the inaugural edition of the tournament and was held from 1 December until 8 December 1986.

First-seeded Gabriela Sabatini won the singles title.

[1][2] Gabriela Sabatini defeated Arantxa Sánchez Vicario 6–1, 6–1 Lori McNeil / Mercedes Paz defeated Manon Bollegraf / Nicole Jagerman 6–1, 2–6, 6–1