The 1987 Guarujá Open was a men's tennis tournament held in Guarujá in Brazil and played on outdoor hard courts.

It was part of the 1987 Nabisco Grand Prix.

It was the second edition of the tournament and took place from 26 January through 2 February 1987.

Luiz Mattar won the singles title.

[3][4] Luiz Mattar defeated Cássio Motta 6–3, 5–7, 6–2 Luiz Mattar / Cássio Motta defeated Martin Hipp / Tore Meinecke 7–6, 6–1