Leiocithara angulata is a species of sea snail, a marine gastropod mollusc in the family Mangeliidae.
The length of the shell attains 5 mm.
The whorls are sharply angulated, with a few sharp narrow longitudinal ribs, crossing the shoulder to the suture, no revolving striae. The shell is yellowish brown, lineated with pale chestnut.
This marine species occurs off the Philippines and Queensland, Australia