蒲桃属（学名：Syzygium），又名赤楠属，是桃金娘科下的一个属，为常绿灌木或乔木植物。该属共有500余种，主要分布于热带亚洲。本科重要植物有莲雾等。

Syzygium is a genus of flowering plants that belongs to the myrtle family, Myrtaceae. The genus comprises about 1200 - 1800 species, and has a native range that extends from Africa and Madagascar through southern Asia east through the Pacific. Its highest levels of diversity occur from Malaysia to northeastern Australia, where many species are very poorly known and many more have not been described taxonomically.