Marłuty [marˈwutɨ] is a village in the administrative district of Gmina Korsze, within Kętrzyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 10 kilometres (6 mi) north of Korsze, 25 km (16 mi) north-west of Kętrzyn, and 68 km (42 mi) north-east of the regional capital Olsztyn.