假蓬属（学名：Conyza）是菊科下的一个属，为草本植物。该属共有60种，分布于温带和亚热带地区。

Conyza (horseweed, butterweed or fleabane) is a genus of flowering plants in the sunflower family.

They are native to tropical and warm temperate regions throughout the world, and also north into cool temperate regions in North America and eastern Asia. The New World species of the genus are closely related to Erigeron (also known as fleabanes).