Janisławiec [janiˈswavjɛt͡s] (German: Lebrechtshof) is a village in the administrative district of Gmina Lubrza, within Świebodzin County, Lubusz Voivodeship, in western Poland. It lies approximately 6 kilometres (4 mi) south of Lubrza, 8 km (5 mi) west of Świebodzin, 36 km (22 mi) north of Zielona Góra, and 55 km (34 mi) south of Gorzów Wielkopolski.
Before 1945 the area was part of Germany (see Territorial changes of Poland after World War II). Following World War II the native German populace was expelled and replaced by Poles.
The village has a population of 10.