Wiśniewo [viɕˈɲɛvɔ] is a village in the administrative district of Gmina Ostrów Mazowiecka, within Ostrów Mazowiecka County, Masovian Voivodeship, in east-central Poland. It lies approximately 13 kilometres (8 mi) west of Ostrów Mazowiecka and 80 km (50 mi) north-east of Warsaw.