Uranothauma antinorii, the Blue Heart or Antinori’s Branded Blue, is a butterfly in the Lycaenidae family. It is found in Nigeria, Cameroon, the Democratic Republic of Congo, Ethiopia, Uganda, Rwanda, Burundi, Kenya, Tanzania, Zambia, Malawi, Mozambique and Zimbabwe. The habitat consists of edges of sub-montane forests. Adult males are attracted to damp patches and have been recorded on carnivore scats. Both sexes feed from small flowers. Adults are on wing in summer.