Jagielnik (Polish pronunciation: [jaˈɡʲɛlɲik]) is a village in the administrative district of Gmina Międzyrzecz, within Międzyrzecz County, Lubusz Voivodeship, in western Poland. It lies approximately 5 kilometres (3 mi) south-west of Międzyrzecz, 39 km (24 mi) south-east of Gorzów Wielkopolski, and 55 km (34 mi) north of Zielona Góra.