Haemanthus is a southern African genus of flowering plants in the family Amaryllidaceae, subfamily Amaryllidoideae. Members of the genus are known as blood lily and paintbrush lily. A total of 24 species are currently accepted by the Plants of the World Online (POWO) database, native to South Africa, Botswana, Namibia, Lesotho and Eswatini. About 15 species occur in the winter rainfall region of Namaqualand and the Western Cape, the remainder being found in the summer rainfall region, with one species Haemanthus albiflos occurring in both regions.