Kamień (Polish pronunciation: [ˈkamjɛj̃]) is a village in the administrative district of Gmina Mirsk, within Lwówek Śląski County, Lower Silesian Voivodeship, in south-western Poland, close to the Czech border.

It lies approximately 2 kilometres (1 mi) south-west of Mirsk, 24 kilometres (15 mi) south-west of Lwówek Śląski, and 119 kilometres (74 mi) west of the regional capital Wrocław.