Comisiones Obreras

CCOO
Logo
Full name	Workers' Commissions
Native name	Comisiones Obreras
Founded	1976
Members	1,139,591 members. 117,016 (37,8 %) union representatives.
Affiliation	ITUC, ETUC
Key people	Ignacio Fernández Toxo, general secretary
Office location	Madrid, Spain
Country	Spain
Website	www.ccoo.es

The Workers' Commissions (Spanish: Comisiones Obreras, CCOO) since the 1970s has become the largest trade union in Spain. It has more than one million members and is the most successful union in labor elections, competing with the Unión General de Trabajadores (UGT) (historically affiliated with the Spanish Socialist Workers' Party [PSOE]), with the syndicalist Confederación General del Trabajo (CGT) usually a distant third.

The CCOO were organized in the 1960s by the Communist Party of Spain (PCE) and workers' Roman Catholic groups to fight against the dictatorship of Francisco Franco, and for labor rights (in opposition to the non-representative "vertical unions" in the Spanish Trade Union Organisation). The various organizations formed a single entity after a 1976 Congress in Barcelona.

Along with other unions like the Unión Sindical Obrera (USO) and the UGT, it called a general strike in 1976, and carried out protests against the conditions in the country. Marcelino Camacho, a major figure of Spanish trade unionism and a PCE member, was CCOO's General Secretary from its foundation to 1985 – he was elected to the Congress of Deputies in the 1977 election.