胡蔓藤属（学名：Gelsemium）是胡蔓藤科下的一个属，为木质藤本植物。该属共有3种，一种产自美洲；一种产自亚洲（钩吻）。

Gelsemium is an Asian and North American genus of flowering plants belonging to family Gelsemiaceae. The genus contains three species of shrubs to straggling or twining climbers. Two species are native to North America, and one to China and Southeast Asia.