裂稃草属（学名：Schizachyrium）是禾本科下的一个属。该属共有约50种，多分布于热带、亚热带地区。

Schizachyrium is a widespread genus of plants in the grass family. The name is derived from the Greek words σχίζειν (schizein), meaning "to split," and ἄχυρον (achyron), meaning "chaff." It refers to either the glume or the toothed lemmas.

In the United States, members of the genus are commonly known as bluestems.