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List of heads of state of the United States of Indonesia

This article lists the heads of state of the United States of Indonesia, a short-lived federal state which existed from 17 December 1949 to 17 August 1950. The heads of state held different titles depending upon their constituent state. Each constituent state had the same head of state throughout the short existence of the federation.

This list does not include autonomous and unrecognized regions.

State	Name		Title	Term of office		Duration
United States of Indonesia		Sukarno	President	17 December 1949[1][a]	17 August 1950[b]	243 days
Republic of Indonesia		Assaat	Acting President	27 December 1949[2]	15 August 1950[3]	231 days
State of East Indonesia		Tjokorda Gde Raka Soekawati	President	24 December 1946[4][5]	17 August 1950[6][c]	3 years, 236 days
State of Pasundan		Wiranatakusumah V	Wali Negara	24 April 1948[7]	10 February 1950[8][9][d]	1 year, 292 days
State of East Sumatra		Tengku Mansur	Wali Negara	29 January 1948[10]	17 August 1950[e]	2 years, 200 days
State of South Sumatra		Abdul Malik	Wali Negara	28 December 1948[11]	18 March 1950[12]	1 year, 90 days
State of East Java		Achmad Kusumonegoro	Wali Negara	1 December 1948[13]	9 March 1950[14]	1 year, 47 days
State of Madura		Tjakraningrat XII	Wali Negara	20 February 1948[15]	1 February 1950[16]	1 year, 346 days

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