Mrozy [ˈmrɔzɨ] is a village in the administrative district of Gmina Sierakowice, within Kartuzy County, Pomeranian Voivodeship, in northern Poland. It lies approximately 3 kilometres (2 mi) south-east of Sierakowice, 18 km (11 mi) west of Kartuzy, and 47 km (29 mi) west of the regional capital Gdańsk.

For details of the history of the region, see History of Pomerania.