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United Left of Navarre (Spanish: Izquierda Unida de Navarra, Basque: Nafarroako Ezker Batua. IUN-NEB) is the Navarrese federation of the Spanish left-wing political and social movement United Left. José Miguel Nuin Moreno is the current General Coordinator. The major member of the coalition is the Communist Party of Euskadi (EPK-PCE, Basque federation of the Communist Party of Spain).

In the 1996 Spanish general election IUN-NEB gained 1 of the 5 Navarrese seats in the Congreso de los Diputados.

Since 2011 IUN-NEB has a permanent alliance with Batzarre, Izquierda-Ezkerra (I-E).^[3] After the 2015 Navarrese regional election I-E signed a pact with Geroa Bai, EH Bildu and Podemos to remove the Navarrese People's Union (UPN) from power and elect Uxue Barkos as the president of Navarre.

Parliament of Navarre
Election	Votes	%	Seats	+/–	Leading candidate	Government
1987	3,802	1.34 (#10)	0 / 50	0[a]	Francisco Jiménez	No seats
1991	11,167	4.07 (#5)	2 / 50	2	Félix Taberna	Opposition
1995	27,773	9.35 (#4)	5 / 50	3		Opposition
1999	20,879	6.88 (#4)	3 / 50	2		Opposition
2003	26,962	8.77 (#3)	4 / 50	1		Opposition
2007	14,337	4.35 (#5)	2 / 50	2	Jon Erro	Opposition
2011	Within I–E (n)		2 / 50	0	José Miguel Nuin	Opposition
2015	Within I–E (n)		1 / 50	1		Coalition
2019	Within I–E (n)		1 / 50	0	Marisa de Simón	Opposition
2023	Within CN-ZN		1 / 50	0	Begoña Alfaro	Coalition

• United Left (Spain)
• Communist Party of Euskadi

• Official page