The Leader of the Socialist Party is the most senior politician within the Socialist Party (Dutch: Socialistische Partij, SP) in the Netherlands. The post is currently held by Jimmy Dijk, who succeeded Lilian Marijnissen on 13 December 2023.^[1]

The Leaders outwardly act as the 'figurehead' and the main representative of the party. Within the party, they must ensure political consensus. Except during the tenure of Daan Monjé, the Leader is always the Lijsttrekker (lead candidate) of the party list at election time. Outside election time the Leader can serve as the Opposition leader. Since the tenure of Jan Marijnissen, the Leader is always the Parliamentary leader of the Socialist Party in the House of Representatives.

More information Term of office, Age as Leader ...

Leader			Term of office	Age as Leader	Position(s) as Leader	Further position(s)	Professional Background	Lijsttrekker
		Daan Monjé (1925–1986)	22 October 1971 – 1 October 1986 (14 years, 344 days)[1] [Died]	45–60			Metalworker Activist	Remi Poppe 1977
		Hans van Hooft Sr. (born 1941)	1 October 1986 – 20 May 1988 (1 year, 232 days)[1]	44–46	Chairman of the Socialist Party (1971–1988)		Metalworker	1981
								1982
								1986
		Jan Marijnissen (born 1952)	20 May 1988 – 20 June 2008 (20 years, 31 days)[1]	35–55	Chairman of the Socialist Party (1988–2015) Member of the House of Representatives (1994–2010) Parliamentary leader in the House of Representatives (1994–2008)		Metalworker Activist Author	1989
								1994
								1998
								2002
								2003
								2006
		Agnes Kant (born 1967)	20 June 2008 – 5 March 2010 (1 year, 258 days)[1]	41–43	Member of the House of Representatives (1998–2010) Parliamentary leader in the House of Representatives (2008–2010)		Epidemiologist Medical researcher
		Emile Roemer (born 1962)	5 March 2010 – 13 December 2017 (7 years, 283 days)[1]	47–55	Member of the House of Representatives (2006–2018) Parliamentary leader in the House of Representatives (2010–2017)	Mayor of Heerlen (2018–2020) Mayor of Alkmaar (2020–2021) King's Commissioner of Limburg (since 2021)	Teacher	2010
								2012
								2017
		Lilian Marijnissen (born 1985)	13 December 2017 – 13 december 2023 (6 years, 0 days)[1]	32–38	Member of the House of Representatives (2017–2023) Parliamentary leader in the House of Representatives (2017–2023)		Trade union leader Social worker	2021
								2023
		Jimmy Dijk (born 1985)	13 December 2023 – Incumbent (135 days)[1]	38–	Member of the House of Representatives (since 2023) Parliamentary leader in the House of Representatives (since 2023)		Facilitator

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