长春花（学名：Catharanthus roseus），别名日日春、日日草、日日新、三万花（广西、广东）、四时春、时钟花、雁来红（广东），是夹竹桃科长春花属植物。

多年生直立草本至半亚灌木，全株无毛。长圆形叶片对生，夏秋开淡红色或白色花，聚繖花序，花冠高脚碟状，单生或对生于叶腋；直立的蓇葖2个。

Catharanthus roseus, commonly known as the Madagascar periwinkle or rosy periwinkle, is a species of Catharanthus native and endemic to Madagascar. Other English names occasionally used include Vinca, Cape periwinkle, rose periwinkle, rosy periwinkle, and "old-maid". It was formerly classified in the Vinca genus as Vinca rosea.