Nocioni was a member of Argentina's gold medal-winning team at the 2004 Summer Olympics in Athens, as well as the Argentina squads that won the bronze medal at the 2008 Summer Olympics and the silver medal at the 2002 FIBA World Championship in Indianapolis. In 2010 he won the Konex Award as one of the five best Basketball Players from the last decade in Argentina. His jersey number 13 was retired by the Argentinian Basketball Confederation.