Opistomum pallidum is a species of rhabdocoel flatworm in the family Typhloplanidae.

The pharynx is caudally oriented and situated near the posterior end of the body.

[3] The species was described by Eduard Oscar Schmidt in 1848.

It inhabits freshwater habitats, but is absent from streams and rivers.

[2] The species is found in Autumn, Winter and Spring.