Chmielno is a village in the administrative district of Gmina Bobolice, within Koszalin County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 8 km (5 mi) south-west of Bobolice, 36 km (22 mi) south-east of Koszalin, and 138 km (86 mi) north-east of the regional capital Szczecin.