Grammia obliterata is a moth of the family Erebidae. It was described by Stretch in 1885. It is found in Russia (Khakasia, eastern Sayan, southern Baikal region, Transbaikalia, Middle Amur basin, central Yakutia), Mongolia and North America (Alberta, Saskatchewan, Manitoba, the North-West Territories). The habitat consists of grasslands. The length of the forewings is about 16 mm. The forewings are black with off-white veins and transverse lines. The hindwings are orange with large black discal and submarginal spots. Adults are on wing in late summer and early fall.