Ithycythara auberiana is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Tucker considers this species a synonym of Ithycythara pentagonalis <small>Reeve, L.A., 1845</small>
Icythara rubricata <small>(Reeve, 1846)</small> may be an older name for this species; see Williams (2005).
The length of the shell varies between 4 mm and 8 mm.
I. auberiana can be found in Atlantic waters, ranging from the eastern coast of Florida south to Brazil.; in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles at depths between 1 m and 100 m.