Andrés Nicolás D'Alessandro is an Argentine former professional footballer who played as an attacking midfielder. He has played top-flight football in Argentina, Germany, England, Spain, Brazil and Uruguay.

The men's football tournament at the 2004 Summer Olympics was held in Athens and four other cities in Greece from 11 to 28 August. The tournament featured 16 men's national teams from the six continental confederations. The 16 teams were drawn into four groups of four, in which each team would play each of the others once. At the end of the group stage, the top two teams advanced to the knockout stage, beginning with the quarter-finals and culminating with the final at Athens' Olympic Stadium on 28 August 2004.