The fourth cabinet of Azerbaijan Democratic Republic governed the Azerbaijan Democratic Republic (ADR) between 14 April 1919 and 22 December 1919. The chairman of the government, N. Usubbayov, presented the fourth cabinet of the Azerbaijan Democratic Republic during the 29th session of parliament, following extended deliberations. It was formed after the third cabinet of the Azerbaijan Democratic Republic dissolved on March 14, 1919, and was led by Prime Minister of Azerbaijan Nasib Yusifbeyli with the following composition:
Among notable events during the government of the fourth coalition government are the signing of oil contracts with foreign oil companies and the subsequent export of Azerbaijani oil, and the signing of the Cooperation and Defense Pact with the Democratic Republic of Georgia against the threat of Denikin forces from the north.