Gmina Dubienka is a rural gmina (administrative district) in Cheà Âm County, Lublin Voivodeship, in eastern Poland, on the border with Ukraine. Its seat is the village of Dubienka, which lies approximately east of Cheà Âm and east of the regional capital Lublin.
The gmina covers an area of , and as of 2006 its total population is 2,749.
The gmina contains part of the protected area called Strzelce Landscape Park.
Gmina Dubienka contains the villages and settlements of Brzozowiec, Dubienka, Holendry, Janostrów, Jasienica, Józefów, Kajetanówka, Krynica, Lipniki, Mateuszowo, Nowokajetanówka, Radziejów, Rogatka, Siedliszcze, Skryhiczyn, Stanisà Âawówka, Starosiele, Tuchanie, Uchaà Âka, and Zagórnik.
Gmina Dubienka is bordered by the gminas of Biaà Âopole, Dorohusk, Horodà Âo and à »mudà º. It also borders Ukraine.