Łukta [ˈwukta] (German Locken) is a village in Ostróda County, Warmian-Masurian Voivodeship, in northern Poland. It is the seat of the gmina (administrative district) called Gmina Łukta. It lies approximately 15 kilometres (9 mi) north-east of Ostróda and 28 km (17 mi) west of the regional capital Olsztyn.