2007 World Championships in Athletics – Men's 4 × 400 metres relay

The men's 4 × 400 metres relay at the 2007 World Championships in Athletics was held at the Nagai Stadium on 1 and 2 September.

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

Records
Prior to the competition, the following records were as follows.

Heats
Qualification: First 3 of each heat (Q) plus the 2 fastest times (q) advance to the final.