Thestor compassbergae, the Compassberg skolly, is a species of butterfly in the family Lycaenidae. It is endemic to South Africa, where it is only known from grassy inclusions in Nama Karoo on the mountain slopes of the Kompasberg, above Nieu-Bethesda in the East Cape.
The wingspan is 26âÂÂ29 mm for males and 27âÂÂ30 mm for females. Adults are on wing in mid-December. There is one generation per year.