Jorge Martín Núñez Mendoza (born 22 January 1978) is a Paraguayan former footballer who played as a defender.
Afterwards he played for several Argentine teams such as Banfield, Arsenal de Sarandí and Racing Club.
He had an opportunity to have a trial for Sheffield United at the start of the 2006–2007 season of the Premier League but opted against it as he was called up for international duty.
In July 2008 he signed a contract with the Argentine team Rosario Central.
This biographical article related to a football defender from Paraguay is a stub.