Nowe Marcinkowo [ˈnɔvɛ mart͡ɕinˈkɔvɔ] is a village in the administrative district of Gmina Biskupiec, within Olsztyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 4 kilometres (2 mi) south-west of Biskupiec and 27 km (17 mi) east of the regional capital Olsztyn.