Compsoctena agria is a moth in the Eriocottidae family. It was described by Meyrick in 1909. It is found in South Africa (Gauteng).
The wingspan is about 15 mm. The forewings are fuscous, sprinkled with darker and with indications of a line of dark fuscous scales from three-fifth of the costa to the tornus. The hindwings are dark fuscous.
