Wilkołek Grójecki [vilˈkɔwɛk ɡruˈjɛt͡ski] is a village in the administrative district of Gmina Złoczew, within Sieradz County, Łódź Voivodeship, in central Poland. It lies approximately 4 kilometres (2 mi) north-west of Złoczew, 23 km (14 mi) south-west of Sieradz, and 74 km (46 mi) south-west of the regional capital Łódź.