Amphitorna olga is a moth in the Drepanidae family. It was described by Swinhoe in 1894. It is found in north-eastern India and China (Jiangxi, Fujian, Guangdong, Sichuan, Yunnan). Adults are brown, tinged with yellow, sparsely striated with brown. The forewings have a slight white smear below the apex and both wings are crossed by a brownmedial curved line, outwardly marked with ochreous grey, this line is sharply bent inwards below the costa of the forewings, and is angled outwards above the middle in the hindwings.