豆腐柴属（学名：Premna）是马鞭草科下的一个属，为灌木或乔木植物，有时为藤本，很少匍匐地上而近草本。该属共有约200种，分布于东半球热带和亚热带地区。

Premna is a genus of flowering plants in the mint family, Lamiaceae, first described for modern science in 1771. It is widespread through tropical and subtropical regions in Africa, southern Asia, northern Australia, and various islands in the Pacific and Indian Oceans.