Gerardo Vacarezza (born 16 August 1965) is a Chilean former professional tennis player.

Vacarezza, who was born in Santiago, reached a best singles ranking on the professional tour of 165 in the world.

A right-handed player, Vacarezza featured in five Davis Cup ties for Chile from 1986 to 1991.

Vacarezza won one of his three singles rubbers, which came against Brazil's Nelson Aerts.

[2] He also had a doubles win over future world number one Mark Knowles of the Bahamas.