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.

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

[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.