Blood lily is a common name for several plants and may refer to:

the genus Haemanthus collectively, particularly Haemanthus coccineus, a scarlet-flowered bulbous plant native to southern Africa the genus Scadoxus collectively, particularly Scadoxus multiflorus, a red-flowered bulbous plant native to much of Africa and parts of the Arabian peninsula Scadoxus puniceus, a red-flowered bulbous plant native to southern and eastern Africa