牛角兰属（学名：Ceratostylis）是兰科下的一个属，为附生兰。该属共有约60种，分布于热带亚洲至波利尼西亚。

Ceratostylis is a genus of orchids with more than 140 species distributed in China, India, Southeast Asia, New Guinea, the Philippines, and Melanesia.