Lutomek [luˈtɔmɛk] is a village in the administrative district of Gmina Sieraków, within Międzychód County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 7 kilometres (4 mi) south-east of Sieraków, 19 km (12 mi) east of Międzychód, and 57 km (35 mi) north-west of the regional capital Poznań.