The District of Peja (Albanian: Rajoni i Pejës, Serbian: Пећки округ, romanized: Pećki okrug) is one of the seven districts (the higher-level administrative divisions) of the Kosovo.

In the 2011 census, Albanians are the majority in: Peja (91.21%), Klina (96.7%), and Istog (92.02%).

Ethnic groups in 2011 census: According to the 1991 census, the population of the Peja municipality included 75.46% Albanians, 11.56% Serbs and Montenegrins, and 7.73% ethnic Muslims.

The population of the Istok municipality included 76.68% Albanians, 12.70% Serbs and Montenegrins, and 7.11% ethnic Muslims.

The population of the Klina municipality included 85.93% Albanians, and 9.16% Serbs and Montenegrins.