Izabelin-Dziekanówek [izaˈbɛlin d͡ʑɛkaˈnuvɛk] is a village in the administrative district of Gmina Czosnów, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland. It lies approximately 12 kilometres (7 mi) south-east of Czosnów, 18 km (11 mi) south-east of Nowy Dwór Mazowiecki, and 15 km (9 mi) north-west of Warsaw.