Dubeninki [dubɛˈninki] (German: Dubeningken, from 1938-45 Dubeningen) is a village in Gołdap County, Warmian-Masurian Voivodeship, in northern Poland, close to the border with the Kaliningrad Oblast of Russia. It is the seat of the gmina (administrative district) called Gmina Dubeninki. It lies approximately 17 kilometres (11 mi) east of Gołdap and 146 km (91 mi) east of the regional capital Olsztyn.
Before 1945, the area was part of Germany (East Prussia). After World War II the region was placed under Polish administration and ethnically cleansed according to the post-war Potsdam Agreement. The native German populace was expelled and replaced with Poles.
The village has a population of 962.