坛花兰属（学名：Acanthophippium）是兰科下的一个属，为陆生兰。该属共有约15种，分布于热带亚洲至斐济（大洋洲）。

Acanthephippium is a genus of orchid with twelve species (family Orchidaceae). The name of this genus is derived from the Greek words acanthos ("spiny") and ephippion ("saddle"), referring to the saddle-like labellum of the plants.

This terrestrial and sometimes myco-heterotrophic genus of sympodial orchids is distributed from the Indian subcontinent to China, Japan, Southeast Asia, New Guinea and the southwest Pacific.