Lubstówek [lupsˈtuvɛk] is a village in the administrative district of Gmina Sompolno, within Konin County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 10 kilometres (6 mi) south-west of Sompolno, 18 km (11 mi) north-east of Konin, and 104 km (65 mi) east of the regional capital Poznań.