狗尾草属（学名：Setaria），是禾本科的一属。

Setaria is a widespread genus of plants in the grass family.

The name is derived from the Latin word seta, meaning "bristle" or "hair", which refers to the bristly spikelets.

The genus includes over 100 species distributed in many tropical and temperate regions around the world, and members are commonly known as foxtail or bristle grasses.