Athletics at the 1999 All-Africa Games – Men's 4 × 100 metres relay

The men's 4 × 100 metres relay event at the 1999 All-Africa Games was held 15–16 September 1999 at the Johannesburg Stadium.

Heats
Qualification: First 3 teams of each heat (Q) plus the next 2 fastest (q) qualified for the final.