木油桐（学名：Vernicia montana），为大戟科油桐属下的一个种。

• 木油桐 Vernicia montana Lour.. 中国植物物种信息数据库. [2013-01-15]. 

Vernicia montana, the mu oil tree, is a species of Vernicia in the spurge family, native to Southeast Asia (Myanmar, Thailand, Vietnam), southern China, and ******. It is a medium-sized deciduous tree reaching a height 20 metres (66 ft).

The leaves are large with three lobes. The monoecious white-petaled flowers emerged as inflorescences, containing both male and female flowers. The 2–3 inches (5.1–7.6 cm) fruit is a globular drupe with wrinkled skin that turns from green to yellow upon ripening. Each fruit contains 3 seeds, rich in oil.