Argentina competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004.

The sailor Carlos Espínola was the nation's flag bearer at the opening ceremony.

The following is the Argentine roster in the men's field hockey tournament of the 2004 Summer Olympics.

[5] Head coach: Jorge Ruiz The following is the Argentine roster in the women's field hockey tournament of the 2004 Summer Olympics.

[6] Head coach: Sergio Vigil The following is the Argentine squad in the men's football tournament of the 2004 Summer Olympics.