阔蕊兰属（学名：Peristylus）是兰科下的一个属，为陆生兰。该属共有约60种，分布于亚洲热带地区至大洋洲。

Peristylus is a genus of flowering plants from the orchid family, Orchidaceae. It consists of over 100 known species found across much of eastern and southern Asia (Japan, China, Mongolia, India, Indochina, Indonesia, Philippines, etc.) as well as in Australia and on many islands of the Indian and Pacific Oceans.