Gerardo Iván Contreras Gámez (born January 29, 1974, in Tampico) is a former Mexican professional volleyball player.

Among Contreras' former teams are Osnabrück in Germany, MTV Näfels in Switzerland, Knack Roeselare in Belgium and Ziraat Bankası Ankara in Turkey.

Contreras had also tried karate and tennis, but he was tired of individual sports and started to play volleyball, which he preferred over basketball.

[3] On May 27, 2008, Contreras revealed that he will sign a lucrative one-year deal with Ziraat Bankası Ankara.

In recognition of his performance during the 2009, he won the "Luchador Olmeca" award in January, 2010.