Dobra Wola [ˈdɔbra ˈvɔla] is a village in the administrative district of Gmina Nasielsk, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland. It lies approximately 12 kilometres (7 mi) west of Nasielsk, 16 km (10 mi) north of Nowy Dwór Mazowiecki, and 47 km (29 mi) north-west of Warsaw.