Rafael Barreno Martínez (born September 30, 1977 in Punto Fijo, Falcón) is an amateur Venezuelan Greco-Roman wrestler, who competed in the men's super heavyweight category.

[2] Throughout his sporting career, Barreno currently trains for Pena Gillit Wrestling Club in his native town Punto Fijo, under his personal coach Milcho Radulovski.

Barreno made his official debut at the 2000 Summer Olympics in Sydney, where he competed in the men's super heavyweight division (130 kg).

He lost his opening match to Ukraine's Georgiy Saldadze by a tough 0–9 blowout, but redeemed himself to dismantle Australia's Laszlo Kovacs into the ring with a four-point advantage on his second bout.

In 2010, Barreno emerged himself into the global and continental scene, as he took home his first gold in the super heavyweight division at the Central American and Caribbean Games in Mayagüez, Puerto Rico, thrashing Panama's Irving Herrera in the process.