Vexillum goubini is a species of small sea snail, marine gastropod mollusk in the family Costellariidae, the ribbed miters.
The subspecies Vexillum goubini plurinotata <small>(R.P.J. Hervier, 1897)</small> is a synonym of Vexillum plurinotatum <small>(R.P.J. Hervier, 1897)</small>
Its type locality is Lifou, New Caledonia, and it is named in honor of its collector, Benjamin Goubin.