Calleagris jamesoni, Jameson's flat or Jameson's skipper, is a butterfly in the Hesperiidae family. It is found in Angola, the Democratic Republic of the Congo, Tanzania, Zambia, Malawi, Mozambique, Zimbabwe and Botswana. The habitat consists of Brachystegia woodland, woodland, savanna and forest margins. Adults are on wing year round. There are fairly distinct seasonal forms. The larvae feed on Julbernardia globiflora and Brachystegia boehmii.