Calla lily is a common name for a type of plant. It may specifically refer to:
Calla, a genus of common flowering plant in the family Araceae, containing the single species Calla palustris, native to cool temperate regions of the Northern Hemisphere
Zantedeschia, a genus of herbaceous flowering plants in the family Araceae, native to southern Africa
Zantedeschia aethiopica, a species of flowering plant in the family Araceae, native to southern Africa, common names calla lily