Herpetopoma rubrum is a species of sea snail, a marine gastropod mollusc in the family Chilodontaidae.

The umbilicate, solid shell has a conical shape.

The rounded aperture is finely sulcate inside.

The columella is straight, toothed at base, with a narrow, deep square notch between the tooth and the tubercles of the basal lip.

[3] This marine species occurs off Southern Japan and Australia.