胡枝子属（学名：Lespedeza）是蝶形花科下的一个属，为多年生草本至灌木植物。该属共有约90种以上，分布于亚洲、澳大利亚和北美。

Lespedeza is a genus of some 40 species (including nothospecies) of flowering plants in the pea family (Fabaceae), commonly known as bush clovers or (particularly East Asian species) Japanese clovers (hagi). The genus is native to warm temperate to subtropical regions of eastern North America, eastern and southern Asia and Australasia.