Millar’s Buff (Deloneura millari) is a butterfly of the Lycaenidae family. It is found in South Africa, Swaziland and Mozambique. The habitat consists of coastal bush and moist savanna. The wingspan is 23–27 mm for males and 24–29 mm for females. Adults are on wing from September to October and from March to May. There are two generations per year. The larvae possibly feed on Cyanobacteria species.