Agonopterix grammatopa is a moth in the family Depressariidae. It was described by Edward Meyrick in 1920. It is found in South Africa.[1]
The wingspan is about 18 mm. The forewings are light brownish sprinkled with fuscous, with an extremely oblique black dash and a cloudy blackish dot. The hindwings are pale greyish, the veins suffusedly darker.[2]