Grójczyk [ˈɡrui̯t͡ʂɨk] is a village in the administrative district of Gmina Boniewo, within Włocławek County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 3 kilometres (2 mi) south-west of Boniewo, 25 km (16 mi) south-west of Włocławek, and 65 km (40 mi) south of Toruń.