Lutobrok [luˈtɔbrɔk] is a village in the administrative district of Gmina Zatory, within Pułtusk County, Masovian Voivodeship, in east-central Poland. It lies approximately 10 kilometres (6 mi) north-east of Zatory, 13 km (8 mi) east of Pułtusk, and 54 km (34 mi) north of Warsaw.