Półwiosek Nowy [puu̯ˈvjɔsɛk ˈnɔvɨ] is a village in the administrative district of Gmina Ślesin, within Konin County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 3 kilometres (2 mi) south-east of Ślesin, 16 km (10 mi) north of Konin, and 97 km (60 mi) east of the regional capital Poznań.