2016 African Championships in Athletics – Men's 400 metres

The men's 400 metres event at the 2016 African Championships in Athletics was held on 22, 23 and 24 June in Kings Park Stadium.

Heats
Qualification: First 4 of each heat (Q) and the next 4 fastest (q) qualified for the semifinals.

Semifinals
Qualification: First 2 of each heat (Q) and the next 2 fastest (q) qualified for the final.