Uranothauma antinorii, the blue heart or Antinori's branded blue, is a butterfly in the family Lycaenidae. It is found in Nigeria, Cameroon, the Democratic Republic of the Congo, Ethiopia, Uganda, Rwanda, Burundi, Kenya, Tanzania, Zambia, Malawi, Mozambique and Zimbabwe. The habitat consists of edges of submontane forests.

It has (recto) dark violet forewings bordered with blackish, and bluish-grey hindwings darker at the margin and base.

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