木棉属（学名：Bombax）是木棉科下的一个属，为落叶大乔木植物。该属共有8种，分布于热带地区。

Bombax is a genus of mainly tropical trees in the mallow family. They are native to western Africa, the Indian subcontinent, Southeast Asia, as well as subtropical regions of East Asia and northern Australia. Distinguish from the genus Ceiba which has whiter flowers.