Iwanowo [ivaˈnɔvɔ] is a village in the administrative district of Gmina Ruciane-Nida, within Pisz County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) north-west of Ruciane-Nida, 24 km (15 mi) west of Pisz, and 65 km (40 mi) east of the regional capital Olsztyn.