Vexillum caffrum is a species of sea snail, a marine gastropod mollusk, in the family Costellariidae, the ribbed miters.

The fusiform shell has a high spire and an adpressed suture.

It shows many axial riblets, becoming obsolete on the middle of the body whorl.

The shell is dark chocolate brown, with two or three yellow spiral zones, the upper one visible on the spire.

[2] Tropîcal Pacific Ocean from Indonesia to Polynesia; off Australia (Queensland).