Hyperolius obscurus is a species of frog in the family Hyperoliidae.

It is a poorly known species known only from its holotype collected from Sandoa, in Kasai Province, south-western Democratic Republic of the Congo, near the border with Angola.

The head is rather large and broad, with blunt snout.

The flanks, ventrum, and limbs have fine dark punctuation.

[4][3] Hyperolius obscurus is a very poorly known species, with no information on its habitat, ecology, or population status.