鼬属（学名 Mustela），是哺乳纲食肉目鼬科的一属，共有17个种：

美洲水鼬（Neovison vison）和已绝种的海鼬（Neovison macrodon）在1999年已从鼬属归类到美洲水鼬属（Neovison）。

A weasel /ˈwiːzəl/ is a mammal of the genus Mustela of the family Mustelidae. The genus Mustela includes the least weasels, polecats, stoats, ferrets, and minks. Members of this genus are small, active predators, with long and slender bodies and short legs. The family Mustelidae (which also includes badgers, otters, and wolverines) is often referred to as the "weasel family". In the UK, the term "weasel" usually refers to the smallest species Mustela nivalis.