Mangilia translucens Barnard, 1958 (original combinatio Leiocithara translucens is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.

[1] The length of the shell attains 5 mm, its diameter 2.3 mm.

This species occurs off Transkei, South Africa, at depths between 50 m and 120 m.