Gmina Łukta is a rural gmina (administrative district) in Ostróda County, Warmian-Masurian Voivodeship, in northern Poland. Its seat is the village of Łukta, which lies approximately north-east of Ostróda and west of the regional capital Olsztyn.
The gmina covers an area of , and as of 2006 its total population is 4,458.
Villages
Gmina Łukta contains the villages and settlements of Białka, Chudy Dwór, Dąg, Dragolice, Florczaki, Ględy, Gucin, Kojdy, Komorowo, Kotkowo, Kozia Góra, Łukta, Lusajny, Markuszewo, Maronie, Molza, Mostkowo, Niedźwiady, Nowaczyzna, Nowe Ramoty, Orlik, Pelnik, Plichta, Pupki, Ramoty, Sarni Dół, Skwary, Sobno, Spórka, Strzałkowo, Swojki, Szeląg, Trokajny, Worliny, Wynki and Zajączkowo.
Neighbouring gminas
Gmina Łukta is bordered by the gminas of Gietrzwałd, Jonkowo, Miłomłyn, Morąg, Ostróda and Świątki.