山麻树属（学名：Commersonia）是梧桐科下的一个属，为中等大乔木植物。该属共有9种，分布于热带亚洲和大洋洲。

Commersonia is a genus of trees and shrubs in the family Malvaceae. There are 25 species occurring in Australia, Southeast Asia and the western Pacific Islands. A revision of the genus in 2011 added 3 newly described species, as well as 14 species previously included in Rulingia, and transferred a number of species to the newly created genus Androcalva.