Ladorudzek [ladɔˈrud͡zɛk] is a village in the administrative district of Gmina Grzegorzew, within Koło County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 5 kilometres (3 mi) east of Grzegorzew, 11 km (7 mi) south-east of Koło, and 130 km (81 mi) east of the regional capital Poznań.