A natural family of fissiped fur-bearing carnivorous mammals including the weasels; polecats; ferrets; minks; fishers; otters; badgers; skunks; wolverines; and martens.

Mustelidae (from Latin mustela, weasel), sometimes called the weasel family, is a family of carnivorous mammals. The family Mustelidae is among the most diverse families in the order Carnivora .