Eucithara fasciata is a small sea snail, a marine gastropod mollusc in the family Mangeliidae.
R.J. Kilburn (1992) could not find sufficient grounds to distinguish Mangelia fasciata (Gray in Reeve (1846) from Eucithara vittata <small>(Hinds, 1843)</small>
The length of the shell attains 8.5 mm.
The ribs are latticed with conspicuous transverse striae. The shell is yellowish white, with a central, narrow, chestnut band.>
This marine species occurs off Madagascar and the Andaman and Nicobar Islands .