| Collectives of Communist Youth | |
| Native Name: | Colectivos de Jóvenes Comunistas |
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| Geneal Secretary: | Javier Martín |
| Headquarters: | Madrid, Spain |
| Mother Party: | Communist Party of the Workers of Spain |
| International: | WFDY |
| Regional1 Type: | Spanish |
Collectives of Communist Youth (Spanish; Castilian: Colectivos de Jóvenes Comunistas, CJC) is a Spanish Marxist–Leninist youth organisation affiliated with the Communist Party of the Workers of Spain (PCTE). They have been publishing Spanish; Castilian: Tinta Roja ("Red Ink") since 2007.
The organisation was founded on January 13, 1985, not long after the PCPE was founded, as its youth organisation.
In certain areas the organisation changes its name in accordance with the national language of the territory; for example, in Catalonia they are the CJC – Communist Youth of the Catalan People (Catalan; Valencian: CJC – Joves Comunistes del Poble Català, CJC-JCPC), and in the Basque Country they are the Basque: CJC – Gazte Komunisten Kolektiboak (CJC-GKK).
Nowadays the CJC have a stable presence in most areas of Spain, and after the Sixth Congress in 2005 they have grown considerably. They take part in World Federation of Democratic Youth, and in other international meetings.
They run many annual activities, such as the School of Central Formation "Trifón Medrano", or the Brigade of Solidarity to Cuba "Antonio Gades".