Gustavo Giussani (born 6 March 1968) is a former professional tennis player from Argentina.

Nicknamed "Pancho", Salta born Giussani was based in Cordoba.

His best performance on the international circuit came in the doubles at the 1989 Athens Open.

He partnered with countryman Gerardo Mirad to finish runners-up, to Claudio Panatta and Tomáš Šmíd.

[2] In singles that year he made the quarter-finals at a Grand Prix event in Saint Vincent and had a win over Guillermo Vilas in a Cairo Challenger tournament.