冠芒草属（学名：Enneapogon）是禾本科下的一个属，为多年生草本植物。该属共有约20种，分布于热带或亚热带地区。

Enneapogon is a cosmopolitan genus of plants in the grass family.

They are generally known as niggerheads, bottle washers or pappus grass. These perennial grass species are found in tropical and warm temperate areas. They have small, narrow inflorescences.