United Left of Cantabria Izquierda Unida de Cantabria
General Coordinator	Jorge Crespo[1]
Founded	1986; 38 years ago (1986)
Merger of	Communist Party of Cantabria Izquierda Abierta Communist Youth of Cantabria Republican Left Independents Party of Socialist Action (1986-2001) Progressive Federation (1986-1988) Carlist Party (1986-1987) Humanist Party (1986)
Headquarters	C/ Isaac Peral nº1, 1ºB. Santander
Membership (2014)	220 official members[2]
Ideology	Socialism Anticapitalism Communism Republicanism Feminism Federalism
Political position	Left-wing
National affiliation	United Left
Union affiliation	CCOO
Town councillors	16 / 1,042
Website
iucantabria.org
Politics of Spain Political parties Elections

United Left of Cantabria (Spanish: Izquierda Unida de Cantabria. IUC) is the Cantabrian federation of the Spanish left wing political and social movement United Left. Jorge Crespo is the current General Coordinator. The Communist Party of Cantabria (PCC-PCE, Cantabrian federation of the PCE) and Izquierda Abierta.

In the Cantabrian elections of 2011 IUC made a coalition with Izquierda Anticapitalista with the name Social and Ecologist Left.