Wilamowice [vilamɔˈvit͡sɛ] is a village in the administrative district of Gmina Dzierzążnia, within Płońsk County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) south-east of Dzierzążnia, 8 km (5 mi) south-west of Płońsk, and 65 km (40 mi) north-west of Warsaw.