尾稃草属（学名：Urochloa）是禾本科下的一个属，为一年生或多年生草本植物。该属共有约25种，分布于东半球热带地区。

Urochloa (common name signalgrass) is a genus of plants in the grass family, native to Eurasia, Africa, Australia, Mexico, and the Pacific Islands. Common names include signalgrass.

Numerous species once considered members of Urochloa but now regarded as better suited to other genera: Alloteropsis Brachiaria Ixophorus Oplismenus Panicum Rupichloa