Communist Party of Spain was founded in 1921 and as of 2017 is the third-largest political party in Spain.

Communist Party of Spain may also refer to:

• Communist Party of the Peoples of Spain
• Communist Party of the Workers of Spain
• Communist Party of Spain (8th and 9th Congresses), a splinter group that existed 1971–1980
• Communist Party of Spain (international), two different groups that existed 1967–1978:
  • Party of Labour of Spain, named Communist Party of Spain (international) from 1967 to 1975
  • Communist Party of Spain (international) (1975)
• Communist Party of Spain (Marxist-Leninist), founded in 2006
• Communist Party of Spain (Marxist-Leninist) (historical), a pro-Maoist and later pro-Albanian group that existed 1964–1992
• Communist Party of Spain (Reconstituted), founded in 1975, a mostly clandestine organization
• Communist Unification Party
• Libertarian Communist Party (Spain)
• Revolutionary Communist Party (Spain)
• Spanish Communist Party, 1920–1921
• Spanish Communist Workers' Party (1973)
• Spanish Communist Workers' Party (1921)
• Workers' Communist Party (Spain)
• Workers' Party of Spain–Communist Unity

This disambiguation page lists articles associated with the title Communist Party of Spain.
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