Sarnik [ˈsarnik] is a village in the administrative district of Gmina Pełczyce, within Choszczno County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 5 kilometres (3 mi) south of Pełczyce, 20 km (12 mi) south of Choszczno, and 67 km (42 mi) south-east of the regional capital Szczecin.