三蕊兰属（学名：Neuwiedia）是假兰科下的一个属，为陆生草本植物。该属共有10种，分布于马来西亚至印度尼西亚。

Neuwiedia is a genus of primitive terrestrial orchids (family Orchidaceae), comprising 9 species native to China, Southeast Asia and certain Pacific Islands.

The genus is distributed in shaded. Like the genus Apostasia of the same subfamily, this genus is noted for having 3 fertile stamens instead of only one as in the case of most orchids. Because of this primitive characteristics, the genus was considered by some as not being true orchids.