| Acronym | Sense | Language | Topics |
|---|---|---|---|
| CCI-T | Comité Communiste Internationaliste-Trotskyste | In French | |
| CEL | Communistes En Lutte | In French | |
| CPN | Communistische Partij Nederland | In Dutch | → Netherlands |
| CPV | Communist Party of Vietnam | In English | |
| CPY | Communist Party of Yugoslavia | In English | |
| EHAK | Euskal Herrialdeetako Alderdi Komunista | In Basque | |
| FACM | Fédération Anarchiste Communiste du Midi | In French | → Organizations and associations → Anarchist organizations → France |
| FACO | Fédération Anarchiste-Communiste d'Occitanie | In French | → Organizations and associations → Anarchist organizations → France |
| FCA | Fédération Communiste Anarchiste | In French | → Organizations and associations → Anarchist organizations |
| FCL | Fédération Communiste Libertaire | In French | → Anarchist organizations |
| FRC | Fédération Révolutionnaire Communiste | In French | → Organizations and associations |
| GCL | Groupe Communiste Libertaire | In French | → Anarchist organizations |
| GCL | Groupement Communiste Libertaire de Belgique | In French | → Anarchist organizations → Belgium |
| GML | Groep Marxisten-Leninisten | In Dutch | |
| HOAC | Historians of American Communism | In English | → Organizations and associations → History → United States |
| IKEK | Internacia Komunista Esperantista Kolektivo | In Esperanto | → Organizations and associations → Artificial languages (linguistics) |
| JAC | Jeunesse Anarchiste Communiste | In French | → Organizations and associations → Anarchist organizations |
| JC | Jeunesse Communiste | In French | |
| KEN | Kommunistiese Eenheidsbeweging Nederland | In Dutch | |
| KPdSU | Kommunistische Partei der Sowjetunion = PCUS | Parti Communiste de l'Union Soviétique | In French = SKUS | Strollad Komunour an Unaniezh Soviedel | In Breton = KПCC | Коммунистическая партия Советского Союза | In Russian = KПCC | Kommunistitscheskaja Partija Sowjetskogo Sojusa | In Russian = KSSR | Komunistická strana Sovětského svazu | In Czech = KPSU | Komunisma Partio de Soveta Unio | In Esperanto = PCUS | Partito Comunista dell'Unione Sovietica | In Italian |
In German | |
| KPL | Kommunistesch Partei Lëtzebuerg (www.kp-l.org) | In Letzeburgesh | → Luxembourg |
| KPRF | Kommunistische Partei der Russischen Föderation | In German | |
| KPSU | Komunisma Partio de Soveta Unio = KPdSU, PCUS, SKUS, KПCC, KSSR (look above) |
In Esperanto | |
| KSSR | Komunistická strana Sovětského svazu = KPdSU, PCUS, SKUS, KПCC, KPSU (look above) |
In Czech | |
| KПCC | Коммунистическая партия Советского Союза = KPdSU, PCUS, SKUS, KSSR, KPSU (look above) |
In Russian | |
| KПCC | Kommunistitscheskaja Partija Sowjetskogo Sojusa = KPdSU, PCUS, SKUS, KSSR, KPSU (look above) |
In Russian | |
| LCR | Ligue Communiste Révolutionnaire | In French | |
| LTF | Ligue Trotskiste de France | In French | → France |
| MCL | Mouvement Communiste Libertaire | In French | → Anarchist organizations |
| OCL | Organisation Communiste Libertaire | In French | → Anarchist organizations |
| ORPCF | Organisation pour la Reconstruction du Parti Communiste de France | In French | → France |
| PCC | Parti Communiste Chinois | In French | |
| PCF | Parti Communiste Français (www.pcf.fr) | In French | → France |
| PCMLF | Parti Communiste Marxiste-Léniniste de France | In French | → France |
| PCO | Partido Comunista de España (www.pce.es) | In Spanish | → Spain |
| PCOF | Parti Communiste des Ouvriers de France | In French | → France |
| PCP | Partido Comunista Português (www.pcp.pt) | In Portuguese | → Portugal |
| PCUS | Parti Communiste de l'Union Soviétique = KPdSU, SKUS, KПCC, KSSR, KPSU (look above) |
In French | |
| PCUS | Partito Comunista dell'Unione Sovietica = KPdSU, SKUS, KПCC, KSSR, KPSU (look above) |
In Italian | |
| PKK | Partiya Karkerên Kurdistan | In Kurdish | |
| PKM | Partit Komunista Malti | In Maltese | → Malta |
| PRCF | Pôle de Renaissance Communiste en France | In French | → France |
| PZPR | Polska Zjednoczona Partia Robotnicza | In Polish | → Poland |
| SKUS | Strollad Komunour an Unaniezh Soviedel = KPdSU, PCUS, KПCC, KSSR, KPSU (look above) |
In Breton | |
| TAC | Tribune Anarchiste Communiste | In French | → Serial publications, periodicals → Anarchist organizations |
| UAC | Union Anarchiste Communiste | In French | → Anarchist organizations |
| UACR | Union Anarchiste Communiste Révolutionnaire | In French | → Anarchist organizations |
| UEC | Union des Étudiants Communistes | In French | → Higher education, universities |
| UGAC | Union des Groupes Anarchistes Communistes | In French | → Organizations and associations → Anarchist organizations |
| URCF | Union des Révolutionnaires-Communistes de France | In French | → France |
| UTCL | Union des Travailleurs Communistes Libertaires | In French | → Organizations and associations → Anarchist organizations |