坡油甘属（学名：Smithia）是蝶形花科下的一个属，为草本或亚灌木植物。该属共有约30种，分布于东半球热带地区。

Smithia is a genus of flowering plants in the legume family, Fabaceae. It belongs to the sub family Faboideae, and was recently assigned to the informal monophyletic Dalbergia clade of the Dalbergieae.