Vexillum macandrewi is a species of small sea snail, marine gastropod mollusk in the family Costellariidae, the ribbed miters.
The length of the shell varies between 19 mm and 33 mm.
(Original description) A pretty graceful, thin, fawn-coloured shell, with spiral striae and elegantly curved longitudinal thin ribs.
The shell has a fawn color, lighter on the periphery.
This marine species occurs off South Africa, Mozambique; in the Red Sea and the Philippines.