The Azerbaijan Democratic Party (Azerbaijani: آذربایجان دموکرات فرقه‌سی, romanized: Azərbaycan Demokrat Firqəsi; Persian: فرقه دموکرات آذربایجان‎, romanized: Ferqa-ye demokrāt-e Āḏarbāyjān) was a communist party supported by the Soviet Union and founded by Jafar Pishevari in Tabriz, Iran, in September 1945. ADP was founded as an opposition party against the Pahlavi dynasty. Soviet-supported Tudeh party dissolved its Azerbaijan chapter and ordered its members to join ADP.