Ignacio ("Nani") Corleto (born June 21, 1978 in Buenos Aires) is a retired Argentine Rugby Union footballer who played Fullback position. He began his rugby career in the local Club Universitario de Buenos Aires (known as CUBA). After the 1999 Rugby World Cup he migrated into professional rugby and signed with French club Narbonne. He currently plays for Stade Français, one of the top French clubs, where he won back to back championships in 2003 and 2004.
His Puma (national squad) career began in 1998 when he made his debut against Japan, still as a member of the U21 representative team. As a member of the junior representative teams, Corleto participated in a South American Championship with the Pumitas and in two Southern Hemisphere Tournaments with the U21 representative team. Up to now he has played 27 test matches and scored 48 points (9 tries and 1 drop). He played in three world cups in 1999, 2003 and 2007, and also participated in the Rugby World Cup Sevens in 2001 which was played in the city of Mar Del Plata in Argentina.