Osieczyce [ɔɕɛˈt͡ʂɨt͡sɛ] is a village in the administrative district of Gmina Lubniewice, within Sulęcin County, Lubusz Voivodeship, in western Poland. It lies approximately 7 kilometres (4 mi) south of Lubniewice, 12 km (7 mi) east of Sulęcin, 31 km (19 mi) south of Gorzów Wielkopolski, and 60 km (37 mi) north of Zielona Góra.
|Coordinates: 52°27′43″N 15°16′48″E|
Before 1945 the area was part of Germany (see Territorial changes of Poland after World War II).
The village has a population of 10.