The men's tournament in volleyball at the 2004 Summer Olympics was the 11th edition of the event at the Summer Olympics, organized by the world's governing body, the FIVB in conjunction with the IOC.

It was held in Athens, Greece from 15 to 29 August 2004.

[1] Teams were seeded following the serpentine system according to their FIVB World Ranking as of January 2004.

FIVB reserved the right to seed the hosts as head of pool A regardless of the World Ranking.

Bernardinho Gian Paolo Montali Gennady Shipulin