麝鼩属（Crocidura），也简称灰麝鼩，哺乳纲鼩鼱目鼩鼱科的一属，而与其同科的动物尚有斑麝鼩属（斑麝鼩）、长爪鼩属（长爪鼩）、鼠鼩属（波尔鼠鼩鼱）等之数种哺乳动物。连同自2004年添加的四种新种，麝鼩属目前共有175种，是所有哺乳动物中最多种的一属。

The genus Crocidura is one of nine genera of the shrew subfamily Crocidurinae. Members of the genus are commonly called white-toothed shrews or musk shrews, although both also apply to all of the species in the subfamily. With over 180 species, Crocidura contains the most of species of any mammal genus.