Wiśniewo [viɕˈɲɛvɔ] is a village in the administrative district of Gmina Czerwin, within Ostrołęka County, Masovian Voivodeship, in east-central Poland. It lies approximately 7 kilometres (4 mi) east of Czerwin, 22 km (14 mi) south-east of Ostrołęka, and 102 km (63 mi) north-east of Warsaw.