Ludwikowo [ludviˈkɔvɔ] is a village in the administrative district of Gmina Stara Biała, within Płock County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) south-west of Biała, 7 km (4 mi) north-west of Płock, and 103 km (64 mi) north-west of Warsaw.