Qubadli District () is one of the 66 districts of Azerbaijan. It is located in the south-west of the country and belongs to the East Zangezur Economic Region. The district borders the Lachin, Khojavend, Jabrayil and Zangilan districts, and the Syunik Province of Armenia.
Its capital and largest city is Qubadli. As of 2020, the district had a nominal population of 41,600.
The district was established on 14 March 1933. According to undated Azerbaijani data, the population was 34,100.
As of 1979, there were a total of 26,673 people:
- Azerbaijanis 99,5% (26,537)
- Russians 0,2% (45)
- Armenians 0,1% (26)
As of 1989 there were a total of 28,110 people.