Football at the 2004 Summer Olympics – Men's team squads

The following is a list of squads for each nation competing in men's football at the 2004 Summer Olympics in Athens. Each nation must submit a squad of 18 players, 15 of whom must be born on or after 1 January 1981, and three of whom can be older dispensation players.

Greece
The following is the Greek squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Stratos Apostolakis

* Over-aged player.

Mali
The following is the Malian squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Cheick Oumar Kone

* Over-aged player.

Mexico
The following is the Mexican squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: 🇦🇷 Ricardo La Volpe

* Over-aged player.

South Korea
The following is the South Korean squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Kim Ho-kon

* Over-aged player.

Ghana
The following is the Ghanaian squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Mariano Barreto

* Over-aged player.

Italy
The following is the Italian squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Claudio Gentile

* Over-aged player.

Japan
The following is the Japanese squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Masakuni Yamamoto

* Over-aged player.

Paraguay
The following is the Paraguayan squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Carlos Jara Saguier

* Over-aged player.

Argentina
<section begin=ARG />The following is the Argentine squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Marcelo Bielsa

* Over-aged player. <section end=ARG />
 * Notes:

Australia
<section begin=AUS />The following is the Australian squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Frank Farina

* Over-aged player.<section end=AUS />

Serbia and Montenegro
<section begin=SCG />The following is the Serbia and Montenegrin squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Vladimir Petrović

* Over-aged player.<section end=SCG />

Tunisia
<section begin=TUN />The following is the Tunisian squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Khemais Labidi

* Over-aged player.<section end=TUN />

Costa Rica
<section begin=CRC />The following is the Costa Rican squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Rodrigo Kenton

* Over-aged player.<section end=CRC />

Iraq
<section begin=IRQ />The following is the Iraqi squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Adnan Hamad

* Over-aged player.<section end=IRQ />

Morocco
<section begin=MAR />The following is the Moroccan squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: Mustapha Madih

* Over-aged player.<section end=MAR />

Portugal
<section begin=POR />The following is the Portuguese squad in the men's football tournament of the 2004 Summer Olympics.

Head coach: José Romão

* Over-aged player.<section end=POR />