Stare Proboszczewice [ˈstarɛ prɔbɔʂt͡ʂɛˈvit͡sɛ] is a village in the administrative district of Gmina Stara Biała, within Płock County, Masovian Voivodeship, in east-central Poland. It lies approximately 12 kilometres (7 mi) north of Płock and 102 km (63 mi) north-west of Warsaw.