The Unified Socialist Party of Catalonia was a communist political party active in Catalonia between 1936 and 1997. It was the Catalan branch of the Communist Party of Spain and the only party not from a sovereign state to be a full member of the Third International.
- Country
- Spain
- Headquarters
- Barcelona
- Inception
- July 23, 1936
- Website
- http://www.psuc.cat/
