虎耳兰属（学名：Haemanthus）是石蒜科下的一个属，为草本植物。该属共有50种，原产于南非。原属于该属的9种网球花现已独立组成新的网球花属 （Scadoxus）。

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. There are some 22 known species, native to South Africa, Botswana, Namibia, Lesotho and Swaziland. 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.