Mangelia paciniana is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.

The whorls of the oblong, turreted shell are not shouldered, but ribbed as in Mangelia vauquelini, not striate.

Its color is yellowish or whitish, with brown revolving lines.

The outer lip has a characteristic tooth, situated at the entrance of the sinus.

[3] This species occurs in European waters and in the Mediterranean Sea.