Iwanowo, Warmian-Masurian Voivodeship
Iwanowo  () is a village in the administrative district of Gmina Ruciane-Nida, within Pisz County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately  north-west of Ruciane-Nida,  west of Pisz, and  east of the regional capital Olsztyn.

Before 1945 the area was part of Germany (East Prussia).