Jagielnik [jaˈɡʲɛlɲik] is a settlement in the administrative district of Gmina Barwice, within Szczecinek County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 11 kilometres (7 mi) north of Barwice, 28 km (17 mi) north-west of Szczecinek, and 124 km (77 mi) east of the regional capital Szczecin.