榛属（学名：Corylus）是北温带桦木科的一个属，属落叶乔木，花黄褐色，果仁可食。其学名的拉丁义为“帽盔”，即指包着果仁的钟形外壳。

榛属共有十四至十八个物种：

The hazel (Corylus) is a genus of deciduous trees and large shrubs native to the temperate Northern Hemisphere. The genus is usually placed in the birch family Betulaceae, though some botanists split the hazels (with the hornbeams and allied genera) into a separate family Corylaceae. The fruit of the hazel is the hazelnut.