孔颖草属（学名：Bothriochloa）是禾本科下的一个属。该属共有约25种，分布于热带非洲和亚洲。

Bothriochloa is a common and widespread genus of plants in the grass family native to many countries on all inhabited continents and many islands. They are often called beardgrass or bluestem.

The name is derived from the Greek words "bothrio" meaning "trench" and "chloa" meaning "blade of grass."