沙生蔗茅（学名：Erianthus ravennae）为禾本科蔗茅属下的一个种。

Saccharum ravennae, with the common names ravennagrass, elephant grass and locally known as ekra, ikora(ইকঁৰা) in Assamese is a species of grass in genus the Saccharum, the sugarcane genus. It is native to southern Europe and western Asia, and is known in North America as an introduced species, where it is sometimes an invasive and troublesome noxious weed.