Borbo perobscura, the small swift, is a butterfly in the family Hesperiidae. It is found in Senegal, Gambia, Guinea, Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Nigeria, Cameroon, Sao Tome, the Republic of Congo, the Central African Republic, the Democratic Republic of Congo (Shaba), southern Sudan, Uganda, Ethiopia, south-western Kenya, Tanzania, Malawi and northern Zambia. The habitat consists of savanna and degraded forests. Adults are attracted to flowers.