真穗草属（学名：Eustachys）是禾本科下的一个属，为草本植物。该属共有约10种，分布于美洲、非洲和马来西亚、越南。

Eustachys (fan grass or fingergrass) is a genus of tropical and subtropical plants in the grass family. It is native primarily to warmer parts of the Americas, with a few species in Africa and Asia.