2012 African Championships in Athletics – Men's 400 metres

The men's 400 metres at the 2012 African Championships in Athletics was held at the Stade Charles de Gaulle on 27, 28 and 29 June.

First 4 in each heat (Q) and 4 best performers (q) advance to the Semifinals.

First 2 in each heat (Q) and 2 best performers (q) advance to the Final.