The men's 4 × 400 metres relay at the 2012 IAAF World Indoor Championships will be held at the Ataköy Athletics Arena on 10 and 11 March.
* Runners who participated only in the heats and received medals.
Qualification: First 2 of each heat (Q) plus the 2 fastest times (q) advance to the final.
11 teams from 11 countries participated.
With two heats competing, the qualification round started at 11:20 and 11:33.