2024 World Athletics Indoor Championships – Men's 4 × 400 metres relay

The men's 4 × 400 metres relay at the 2024 World Athletics Indoor Championships took place on 3 March 2024.

The winning margin was 0.06 seconds which was the first time the men's 4x400 metres was won by less than a tenth of a second at these championships.

Heats
Qualification: First 2 in each heat (Q) and the next 2 fastest (q) advance to the Final.

The heats were started at 11:10.

Final
The final was started at 20:15.