Leptadrillia quisqualis is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.

[1] The shell grows to a length of 11 mm.

The white shell is obtusely angulated, smooth above the angle, which is nodose by the termination of short longitudinal ribs.

[2] This species occurs in the demersal zone of the Pacific Ocean off Nicaragua.

Clathurella quisqalis (Hinds, 1843) has also been described from Darnley Island, Torres Straits.