假葱属（学名：Nothoscordum）是石蒜科下的一个属。该属共有35种，分布于美洲。

Nothoscordum is a genus of New World plants in the onion tribe within the Amaryllis family. It is probably paraphyletic. The genus is native to North and South America, though a few species have become naturalized in various parts of the Old World.