Homalopoma sanguineum is a species of sea snail, a marine gastropod mollusc in the family Colloniidae.

The small, very solid, shell has a depressed, orbicular shape with a conic spire.

Below they become more finely lirate The body whorl is well rounded and deflected anteriorly.

The rounded aperture somewhat contracted, oblique, and pearly white within.

The base of the deep crimson aperture bears sometimes an inconspicuous dentiform callus at its margin.