Veteran San Lorenzo centre back FabrizioColocciniplayed for his country on several occasions before the end of his international career.FabrizioColoccini played 39 times for the Argentine national team over a period of 11 years. He made his international bow in 2003 and his final appearance came in 2014. Fabrizio Coloccini played his first game for Argentinaagainst African nation Libya on April 30, 2003.

Argentina beat Libya 3-1 during the international friendly clash between the two countries. FabrizioColoccini played in his first major tournament for the Argentine senior team at the 2004 Copa America tournament as the two-time world champions reached the final before they were beaten on penalties by arch rivals Brazil. Argentina and Brazil played out a 2-2 draw at the end of regulation time and extra time before the Brazilians won 4-2 on penalties. FabrizioColoccini scored the only goal of his international career during the 2006 FIFA World Cup qualifiers against Peru in Lima. Argentina beat Peru 3-1 away from home during the qualifying match played on September 4, 2004.

Fabrizio Coloccini was a losing finalist with Argentina once again after the two-time world champions were beaten by 4-1 in the final of the 2005 FIFA Confederations Cup. In the following year, he was part of the Argentina squad to the 2006 FIFA World Cup tournament in Germany and it turned out to be his one and only World Cup tournament.

He played the final match of his international career at senior career in 2014 though he was not part of the contingent to the FIFA World Cup tournament in Brazil that year as Argentina reached the final before they were defeated by Germany. The Germans beat Argentina 1-0 after extra time. FabrizioColoccini won the 2004 Olympic Games in Athens with Argentina and the 2001 FIFA u-20 World Cup tournament on home soil.