2004 IAAF World Indoor Championships – Men's 4 × 400 metres relay

The Men's 4x400 metres relay event at the 2004 IAAF World Indoor Championships was held on March 7.

Medalists
* Runners who participated in the heats only and received medals.

Heats
Qualification: First 2 teams of each heat (Q) plus the next 2 fastest (q) advance to the final.