油桐属（学名：Vernicia）是大戟科下的一个属，为落叶乔木植物。该属共有3种，分布于东亚。

The genus Vernicia, commonly referred to as tung or tung-oil tree, is a genus in the spurge family Euphorbiaceae, first described as a genus in 1790. It is native to China, Japan, India, and Indochina. The species have often been included within the related genus Aleurites.