八月瓜属（学名：Holboellia）是木通科下的一个属，为常绿、缠绕性木质藤本植物。该属共有约12种，分布于中国和印度及越南。

Holboellia is a genus of flowering plant in the Lardizabalaceae family. There are twenty species in the genus, all restricted to Southeast Asia, the Himalayas and China. Holboellia is s genus of mostly perennial, evergreen vines, although some are deciduous. The flowers are monoecious, that is, separate male and female flowers are produced on the same plant.