Liotina crenata is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.

The spire whorls are somewhat exserted, all showing a pair of peripheral keels, which are strongly, or subsipinosely crenulated.

The umbilicus is of a moderate size, defined by a riblet.

The color of the shell is whitish, stained with chestnut.

[3] This species occurs in the Indian Ocean off the Aldabra Atoll; in the Pacific off the Philippines.