The Republic of the United States of Indonesia Cabinet (Indonesian: Kabinet Republik Indonesia Serikat) was established as a result of the formation of the United States of Indonesia following the transfer of sovereignty from the Dutch colonial power. It lasted less than a year before Indonesia became a unitary state.

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United States of Indonesia Cabinet Kabinet Republik Indonesia Serikat
10th-11th Cabinet of Indonesia
1949–1950
Date formed	20 December 1949 (1949-12-20)
Date dissolved	6 September 1950 (1950-09-06)
People and organisations
Head of state	Sukarno
Head of government	Mohammad Hatta
No. of ministers	16 ministers
History
Predecessor	Hatta II Cabinet
Successor	Natsir Cabinet

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President Sukarno, the president of the United States of Indonesia, appointed Mohammad Hatta, Ida Anak Agung Gde Agung, Sri Sultan Hamengku Buwono IX and Sultan Hamid II to choose the cabinet of the new country. Two days later, on 20 December 1949, the cabinet was sworn in, and a week later formally accepted the sovereignty of the nation from the Dutch.^[1]

Only five cabinet members came from the outside the federal state of the Republic of Indonesia. Hatta worked hard to ensure that ministers were appointed based on competence, rather than party affiliation, and four of the ministers from the Republic of Indonesia did not belong to any party. In practice, Hatta had a very dominant position in the cabinet, due to his close relationship with Sukarno, his success at the Dutch–Indonesian Round Table Conference and his role during key events during the War of Independence.^[2]

On 19 January 1950, State Minister Moh. Roem was appointed to the RUSI High Commission in The Hague and resigned from the cabinet. Following a report from the attorney general, State Minister Sultan Hamid II was dismissed on 5 April 1950 for involvement in the rebellion led by Raymond Westerling. Neither of these state ministers were replaced.^[3][4]

On 15 August 1950, the United States of Indonesia ceased to exist and was replaced by the unitary state of Indonesia. On the same day, Prime Minister Hatta returned his mandate to President Sukarno. The Republic of the United States of Indonesia Cabinet was officially dissolved but continued as the cabinet of the Republic of Indonesia until a new cabinet could be formed.^[5]