Laskowizna [laskɔˈvizna] is a village in the administrative district of Gmina Brok, within Ostrów Mazowiecka County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) north of Brok, 8 km (5 mi) south-west of Ostrów Mazowiecka, and 82 km (51 mi) north-east of Warsaw.