Ancilla ventricosa is a species of sea snail, a marine gastropod mollusk in the family Ancillariidae, the olives and the like.

[1] The length of the shell varies between 15 mm and 38 mm.

This species occurs in the Red Sea and in the Indian Ocean off Mozambique.

Sandy areas at 10-15 metres depth.

This Ancillariidae-related article is a stub.