Gonzalo Núñez (born July 21, 1954) is an Ecuadorian-American former professional tennis player.

Núñez was born in the Ecuadorian city of Guayaquil and moved to the United States in the mid-1970s to live with relatives in New Jersey.

[1] He played collegiate tennis for the University of Texas and was the 1975 national amateur grass court champion.

[2] A Davis Cup representative for Ecuador in 1975, Núñez competed on the Grand Prix circuit mostly in doubles tournaments.

He won an ATP Challenger doubles title in Barcelona in 1981.