The prime minister of Lithuania (Lithuanian: Ministras Pirmininkas; lit. "Minister-president")^{[citation needed]} is the head of the government of Lithuania. The prime minister is Lithuania's head of government and is appointed by the president with the assent of the Lithuanian parliament, the Seimas. The modern office of prime minister was established in 1990, when Lithuania declared its independence, although the official title was "Chairperson of the Council of Ministers" until 25 November 1992.

Historically, the title of prime minister was also used between 1918 and 1940. This was during the original Republic of Lithuania, which lasted from the collapse of the Russian Empire until the country's annexation by the Soviet Union.

More information Nº, Name (Born–Died) ...

Nº	Name (Born–Died)	Portrait	Term of office[2]		Political party
1	Augustinas Voldemaras (1883–1942) 1st time		11 November 1918	26 December 1918	Party of National Progress
2	Mykolas Sleževičius (1882–1939) 1st time		26 December 1918	5 March 1919	Peasant Union
3	Pranas Dovydaitis (1886–1942)		13 March 1919	12 April 1919	Lithuanian Christian Democratic Party
(2)	Mykolas Sleževičius (1882–1939) 2nd time		12 April 1919	2 October 1919	Peasant Union
4	Ernestas Galvanauskas (1882–1967) 1st time		7 October 1919	15 June 1920	Independent
5	Kazys Grinius (1866–1950)		19 June 1920	18 January 1922	Lithuanian Popular Peasants' Union
(4)	Ernestas Galvanauskas (1882–1967) 2nd time		2 February 1922	17 June 1924	Independent
6	Antanas Tumėnas (1880–1946)		18 June 1924	27 January 1925	Lithuanian Christian Democratic Party
7	Vytautas Petrulis (1890–1942)		4 February 1925	19 September 1925	Farmers' Association
8	Leonas Bistras (1890–1971)		25 September 1925	31 May 1926	Lithuanian Christian Democratic Party
(2)	Mykolas Sleževičius (1882–1939) 3rd time		15 June 1926	17 December 1926	Lithuanian Popular Peasants' Union
(1)	Augustinas Voldemaras (1883–1942) 2nd time		17 December 1926	19 September 1929	Lithuanian Nationalist Union
9	Juozas Tūbelis (1882–1939)		23 September 1929	8 June 1934	Lithuanian Nationalist Union
			12 June 1934	6 September 1935
			6 September 1935	24 March 1938
10	Vladas Mironas (1880–1953)		24 March 1938	5 December 1938	Lithuanian Nationalist Union
			5 December 1938	28 March 1939
11	Jonas Černius (1898–1977)		28 March 1939	21 November 1939	Lithuanian Nationalist Union
12	Antanas Merkys (1887–1955)		21 November 1939	15 June 1940	Lithuanian Nationalist Union

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Following the ultimatum in June 1940, the forces of Soviet Union entered Lithuania, prompting President Antanas Smetona to flee the country. Antanas Merkys, who assumed the position of acting president in accordance with the constitution, soon announced he had taken over the Presidency on a permanent basis and appointed Justas Paleckis, favored by the Soviet authorities, as the Prime Minister ahead of the "people's government". Merkys soon resigned, allowing Paleckis to assume the post of acting president as well.^[3] The presidency of Merkys is not recognized as legitimate in modern Lithuania^[4] and Paleckis is not listed as an interwar Prime Minister in government sources.^[2]

More information Nº, Name (Born–Died) ...

Nº	Name (Born–Died)	Portrait	Term of office		Political party
	Justas Paleckis (1899–1980)		17 June 1940	24 June 1940
	Vincas Krėvė-Mickevičius (1882–1954)		24 June 1940	1 July 1940

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Chairman of the Council of People's Commissars of the Lithuanian SSR

• Mečislovas Gedvilas (25 August 1940 – 2 April 1946) (in exile in the Russian SFSR 1941–1944)

Chairmen of the Council of Ministers of the Lithuanian SSR

• Mečislovas Gedvilas (2 April 1946 – 16 January 1956)
• Motiejus Šumauskas (16 January 1956 – 14 April 1967)
• Juozas Maniušis (14 April 1967 – 16 January 1981)
• Ringaudas Songaila (16 January 1981 – 18 November 1985)
• Vytautas Sakalauskas (18 November 1985 – 17 March 1990)

Acting Prime Minister of the Provisional Government

• Juozas Ambrazevičius (June 23, 1941 – August 5, 1941)

• Lists of office-holders
• Grand Chancellor of Lithuania