| AAA | Alianza Apostólica Anticomunista | In Spanish | |
| AD | Alternattiva Demokratika | In Maltese | |
| ADQ | Action Démocratique du Québec | In French | |
| ADR | Alternativ Demokratesch Reformpartei | In Letzeburgesh | |
| AF | Action Française | In French | |
| AF | Anarchist Federation (www.afed.org.uk) | In English | |
| AfA | Arbeitsgemeinschaft für Arbeitnehmerfragen | In German | → Associations → Labour, labour economics |
| AGR | Association pour une Gauche Républicaine | In French | → Associations |
| AL | Alternative Libertaire | In French | |
| AL | Alternative Libérale | In French | |
| ALE | Aliança Lliure Europea | In Catalan | |
| ALO | Afghanistan Liberation Organization | In English | |
| ANC | African National Congress | In English | |
| ANV | Acción Nacionalista Vasca (www.eae-anv.org) = EAE | Eusko Abertzale Ekintza | In Basque |
In Spanish | |
| AO | Action Ouvrière | In French | → Encyclopaedias, reference works |
| AR | Alliance Royale | In French | |
| AREV | Alternative Rouge Et Verte | In French | |
| ARLA | Armée révolutionnaire de libération de l’Azawad | In French | → 355 |
| ARP | Anti-Revolutionaire Partij | In Dutch | |
| AVE | Asocio de Verduloj Esperantistaj | In Esperanto | → Associations |
| AZAPO | Azanian People's Organization | In English | |
| BE | Bloc de Esquerda | In Portuguese | |
| BZÖ | Bündnis Zukunft Österreich | In German | |
| C6R | Convention pour la 6ème République | In French | |
| CAS | Comité d'Action Socialiste | In French | → History |
| CCI-T | Comité Communiste Internationaliste-Trotskyste | In French | |
| CDAP | Comités d’Action et de Défense Paysanne | In French | → History |
| CDLL | Ceux de la Libération | In French | → History |
| CDLR | Ceux de la Résistance | In French | → History |
| CDS-PP | Centro Democrático Social - Partido Popular | In Portuguese | |
| CEL | Communistes En Lutte | In French | |
| CNAC | Commission Nationale d'Arbitrage et de Contrôle | In French | |
| CNGR | Coordination Nationale de la Gauche Républicaine | In French | |
| CPNT | Chasse, Pêche, Nature, Traditions | In French | |
| CPV | Communist Party of Vietnam | In English | |
| CPY | Communist Party of Yugoslavia | In English | |
| CRAF | Centre Royaliste d'Action Française | In French | |
| ČSSD | Česká Strana Sociálně Demokratická | In Czech | |
| CSV | Chrëschtlech Sozial Vollekspartei | In Letzeburgesh | |
| CTFVP | Commission pour la Transparence Financière de la Vie Politique | In French | → Economics |
| DFA | Democracy for America (www.democracyforamerica.com) | In English | |
| DP | Demokratesch Partei | In Letzeburgesh | |
| DPS | Demokratische Partei Saar | In German | |
| EA | Eusko Alkartasuna | In Basque | |
| EAE | Eusko Abertzale Ekintza (www.eae-anv.org) = ANV (look above) |
In Basque | |
| EAJ | Eusko Alderdi Jeltzalea | In Basque | |
| EAJ | Euzko Alderdi Jeltzalea (www.eaj-pnv.eu) = PNV | Partido Nacionalista Vasco | In Spanish |
In Basque | |
| EBB | Euzkadi Buru Batzar | In Basque | |
| EDE | Eŭropo Demokratio Esperanto (www.e-d-e.org) = EDE | Europe Démocratie Espéranto | In French = EDE | Europa Demokratie Esperanto | In German = EDE | Europe Democracy Esperanto | In English = EDE | Europa Democrazia Esperanto | In Italian = ΕΔΕ | Ευρώπη - Δημοκρατία - Εσπεράντο | In Greek = EDE | Europa Democracia Esperanto | In Spanish = EDE | Europa Demokracija Esperanto | In Croatian = EDE | Europa Democratie Esperanto | In Dutch = EDE | Európa Demokrácia Eszperantó | In Hungarian = EDE | Europa Demokratija Esperanto | In Lithuanian = EDE | Europa Demokracja Esperanto | In Polish = EDE | Europa Demokrati Esperanto | In Swedish |
In Esperanto | |
| EDE | Europa Democracia Esperanto (www.e-d-e.org) = ΕΔΕ (look above) |
In Spanish | |
| EDE | Europa Demokrati Esperanto (www.e-d-e.org) = ΕΔΕ (look above) |
In Swedish | |
| EDE | Europe Démocratie Espéranto (www.e-d-e.org) = ΕΔΕ (look above) |
In French | |
| EDE | Europa Demokracja Esperanto (www.e-d-e.org) = ΕΔΕ (look above) |
In Polish | |
| EDE | Europe Democracy Esperanto (www.e-d-e.org) = ΕΔΕ (look above) |
In English | |
| EDE | Europa Demokratija Esperanto (www.e-d-e.org) = ΕΔΕ (look above) |
In Lithuanian | |
| EDE | Európa Demokrácia Eszperantó (www.e-d-e.org) = ΕΔΕ (look above) |
In Hungarian | |
| EDE | Europa Democrazia Esperanto (www.e-d-e.org) = ΕΔΕ (look above) |
In Italian | |
| EDE | Europa Democratie Esperanto (www.e-d-e.org) = ΕΔΕ (look above) |
In Dutch | |
| EDE | Europa Demokracija Esperanto (www.e-d-e.org) = ΕΔΕ (look above) |
In Croatian | |
| EDE | Europa Demokratie Esperanto (www.e-d-e.org) = ΕΔΕ (look above) |
In German | |
| EGI | Euzko Gaztedi Indarra | In Basque | |
| EGP | European Green Party | In English | |
| EHAK | Euskal Herrialdeetako Alderdi Komunista | In Basque | |
| ER | Europe Résistance | In French | |
| ERA | Esperanto Radikala Asocio | In Esperanto | → Associations |
| ERC | Esquerra Republicana de Catalunya | In Catalan | |
| ESP | Europeiska socialdemokratiska partiet = PES | Party of European Socialists | In English = PES | Partia Europejskich Socjalistów | In Polish = PSE | Parti Socialiste Européen | In French = PSE | Partito del Socialismo Europeo | In Italian |
In Swedish | |
| ETA | Euskadi Ta Askatasuna | In Basque | |
| FA | Freiheitliche Akademie (www.freiheitliche-akademie.at) | In German | → Academies |
| FA | Fédération Anarchiste | In French | |
| FARC | Forces Armées Révolutionnaires de Colombie | In French | |
| FAT | Fələstin Azadlıq Təşkilatı = PLO | Palestine Liberation Organization | In English = ООП | Организация за освобождение на Палестина | In Bulgarian = OAP | Organització per a l'Alliberament de Palestina | In Catalan = OOP | Organizace pro osvobození Palestiny | In Czech = OLP | Organización para la Liberación de Palestina | In Spanish = OLP | Organisation de Libération de la Palestine | In French = PAE | Palestinaren Askapenerako Erakundea | In Basque = OLP | Organizaĵo por Liberigo de Palestino | In Esperanto = OLP | Organización para a Liberación da Palestina | In Galician = PLO | 팔레스타인 해방기구 | In Korean = OLP | Organização para a Libertação da Palestina | In Portuguese = OWP | Organizacja Wyzwolenia Palestyny | In Polish = PLO | パレスチナ解放機構 | In Japanese = ПЛО | Палестинската ослободителна организација | In Macedonian = PIO | Palestinos išsivadavimo organizacija | In Lithuanian = პგო | პალესტინის განთავისუფლების ორგანიზაცია | In Georgian = OLP | Organizzazione per la Liberazione della Palestina | In Italian = ООП | Организация освобождения Палестины | In Russian = ПЛО | Палестинска ослободилачка организација | In Serbian = PLO | 巴勒斯坦解放組織 | In Chinese = OВП | Організація визволення Палестини | In Ukrainian = FKÖ | Filistin Kurtuluş Örgütü | In Turkish |
In Azerbaijani | |
| FGS | Federazione dei Giovani Socialisti (www.giovanisocialisti.it) | In Italian | |
| FIA | Front islamique arabe de l’Azawad | In French | → Islam |
| FKÖ | Filistin Kurtuluş Örgütü = FAT, PLO, ООП, OAP, OOP, OLP, PAE, OWP, ПЛО, PIO, პგო, OВП (look above) |
In Turkish | |
| FLFC | Front de Libération de la Franche-Comté | In French | |
| FN | Front National | In French | |
| FN | Forces Nouvelles | In French | |
| FNP | Fryske Nasjonale Partij | In Frisian | |
| FPLA | Front populaire de libération de l’Azawad | In French | |
| FRS | Forum des Républicains Sociaux | In French | |
| FTP | Francs-Tireurs Partisans | In French | → History |
| FTPF | Francs-Tireurs et Partisans Français | In French | → History |
| FUJP | Front Uni des Jeunesses Patriotiques | In French | → History |
| GIA | Groupe Islamique Armé | In French | → Islam |
| GPV | Gereformeerd Politiek Verbond | In Dutch | |
| GSPC | Groupe Salafiste pour la Prédication et le Combat | In French | → Islam |
| IES | Initiative Européenne et Sociale | In French | |
| IKEK | Internacia Komunista Esperantista Kolektivo | In Esperanto | → Organizations and associations |
| ILS | International Libertarian Solidarity = SIL | Solidarité Internationale Libertaire | In French |
In English | → Organizations and associations |
| JBC | Jaime Bateman Cayón | In many languages | |
| JC | Jeunesse Communiste | In French | |
| JEGA | Jorge Eliécer Gaitán Ayala | In many languages | |
| KKK | Ku Klux Klan | In English | → Organizations and associations |
| 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 = KPSU | Komunisma Partio de Soveta Unio | In Esperanto |
In German | |
| KPL | Kommunistesch Partei Lëtzebuerg | In Letzeburgesh | |
| KPRF | Kommunistische Partei der Russischen Föderation | In German | |
| KPSU | Komunisma Partio de Soveta Unio = KPdSU, PCUS, SKUS, KПCC, KSSR (look above) |
In Esperanto | |
| 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 | |
| KURWA | Koedukacyjna Unia Rewolucyjno-Wyzwoleńczo-Anarchistyczna | In Polish | → Organizations and associations → Feminism |
| KПCC | Kommunistitscheskaja Partija Sowjetskogo Sojusa = KPdSU, PCUS, SKUS, KSSR, KPSU (look above) |
In Russian | |
| KПCC | Коммунистическая партия Советского Союза = KPdSU, PCUS, SKUS, KSSR, KPSU (look above) |
In Russian | |
| LCR | Ligue Communiste Révolutionnaire | In French | |
| LO | Lutte Ouvrière | In French | |
| LSAP | Luxemburgse Socialistische Arbeiderspartij = LSAP | Lëtzebuerger Sozialistesch Aarbechterpartei | In Letzeburgesh = LSAP | Luxemburger Sozialistische Arbeiterpartei | In German = POSL | Parti Ouvrier Socialiste Luxembourgeois | In French |
In Dutch | |
| LSAP | Luxemburger Sozialistische Arbeiterpartei = POSL (look above) |
In German | |
| LSAP | Lëtzebuerger Sozialistesch Aarbechterpartei = POSL (look above) |
In Letzeburgesh | |
| LSDP | Lietuvos Socialdemokratų Partija | In Lithuanian | |
| LSDSP | Latvijas Sociāldemokrātiskā Strādnieku Partija | In Latvian | |
| LTF | Ligue Trotskiste de France | In French | |
| MARS | Mouvement pour une Alternative Républicaine et Sociale | In French | |
| MBAN | Moviment Basc d'Alliberament Nacional | In Catalan | |
| MCAN | Moviment Català d'Alliberament Nacional | In Catalan | |
| MDC | Mouvement Des Citoyens | In French | |
| MDC | Mouvement pour le Changement Démocratique | In French | |
| MDP | Magyar Dolgozók Pártja | In Hungarian | |
| MDR | Mouvement Démocratique Républicain | In French | |
| MEI | Mouvement des écologistes indépendants | In French | |
| MFUA | Mouvements et fronts unifiés de l’Azawad | In French | |
| MIP | Mouvement pour l'Initiative Populaire | In French | |
| MLP | Malta Labour Party = PL | Partit Laburista | In Maltese |
In English | |
| MNR | Mouvement National Républicain | In French | |
| MOI | Main d'Oeuvre Immigrée | In French | |
| MPA | Mouvement populaire de l’Azawad | In French | |
| MPA | Mouvement Pour l'Autodétermination | In French | |
| MPF | Mouvement Pour la France | In French | |
| MPRP | Mongolian People's Revolutionary Party | In English | |
| MRC | Mouvement Républicain et Citoyen | In French | |
| MRP | Mouvement Républicain Populaire | In French | |
| MRS | Mouvement Région Savoie | In French | |
| MSR | Mouvement Social Révolutionnaire | In French | |
| MUR | Mouvements Unis de la Résistance | In French | → History |
| MURF | Mouvement Unifié de la Renaissance Française | In French | |
| NAR | Nouvelle Action royaliste | In French | |
| NSB | Nationaal-Socialistische Beweging | In Dutch | |
| OAP | Organització per a l'Alliberament de Palestina = FAT, PLO, ООП, OOP, OLP, PAE, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In Catalan | |
| OCL | Organisation Communiste Libertaire | In French | |
| OLP | Organización para la Liberación de Palestina = FAT, PLO, ООП, OAP, OOP, PAE, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In Spanish | |
| OLP | Organizaĵo por Liberigo de Palestino = FAT, PLO, ООП, OAP, OOP, PAE, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In Esperanto | |
| OLP | Organisation de Libération de la Palestine = FAT, PLO, ООП, OAP, OOP, PAE, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In French | |
| OLP | Organización para a Liberación da Palestina = FAT, PLO, ООП, OAP, OOP, PAE, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In Galician | |
| OLP | Organização para a Libertação da Palestina = FAT, PLO, ООП, OAP, OOP, PAE, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In Portuguese | |
| OLP | Organizzazione per la Liberazione della Palestina = FAT, PLO, ООП, OAP, OOP, PAE, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In Italian | |
| OOP | Organizace pro osvobození Palestiny = FAT, PLO, ООП, OAP, OLP, PAE, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In Czech | |
| ORPCF | Organisation pour la Reconstruction du Parti Communiste de France | In French | |
| OSMOI | Organisation Spéciale de la Main d’Oeuvre Immigrée | In French | → History |
| OWP | Organizacja Wyzwolenia Palestyny = FAT, PLO, ООП, OAP, OOP, OLP, PAE, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In Polish | |
| OВП | Організація визволення Палестини = FAT, PLO, ООП, OAP, OOP, OLP, PAE, OWP, ПЛО, PIO, პგო, FKÖ (look above) |
In Ukrainian | |
| PAE | Palestinaren Askapenerako Erakundea = FAT, PLO, ООП, OAP, OOP, OLP, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In Basque | |
| PARTEI | Partei für Arbeit, Rechtsstaat, Tierschutz, Elitenförderung & basisdemokratische Initiative | In German | |
| PAS | Parti Islam SeMalaysia | In Malay | → Islam |
| PCC | Parti Communiste Chinois | In French | |
| PCF | Parti Communiste Français | In French | |
| PCMLF | Parti Communiste Marxiste-Léniniste de France | In French | |
| PCO | Partido Comunista de España | In Spanish | |
| PCOF | Parti Communiste des Ouvriers de France | In French | |
| PCP | Partido Comunista Português | In Portuguese | |
| PCUS | Partito Comunista dell'Unione Sovietica = KPdSU, SKUS, KПCC, KSSR, KPSU (look above) |
In Italian | |
| PCUS | Parti Communiste de l'Union Soviétique = KPdSU, SKUS, KПCC, KSSR, KPSU (look above) |
In French | |
| PDE | Partit Demòcrata Europeu | In Catalan | |
| PDS | Parti Démocratique Sénégalais | In French | |
| PES | Partia Europejskich Socjalistów = ESP, PSE (look above) |
In Polish | |
| PES | Party of European Socialists = ESP, PSE (look above) |
In English | |
| PEV | Parti Évangélique (www.evppev.ch) = EVP | Evangelische Volkspartei | In German |
In French | → Christianity |
| PIO | Palestinos išsivadavimo organizacija = FAT, PLO, ООП, OAP, OOP, OLP, PAE, OWP, ПЛО, პგო, OВП, FKÖ (look above) |
In Lithuanian | |
| PKM | Partit Komunista Malti | In Maltese | |
| PL | Partit Laburista = MLP (look above) |
In Maltese | |
| PLO | 巴勒斯坦解放組織 = FAT, ООП, OAP, OOP, OLP, PAE, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In Chinese | |
| PLO | Palestine Liberation Organization = FAT, ООП, OAP, OOP, OLP, PAE, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In English | |
| PLO | パレスチナ解放機構 = FAT, ООП, OAP, OOP, OLP, PAE, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In Japanese | |
| PLO | 팔레스타인 해방기구 = FAT, ООП, OAP, OOP, OLP, PAE, OWP, ПЛО, PIO, პგო, OВП, FKÖ (look above) |
In Korean | |
| PLQ | Parti Libéral du Québec | In French | |
| PMN | Parti Mahasiswa Negara | In Malay | |
| PN | Partit Nazzjonalista | In Maltese | |
| PNB | Parti Nationaliste Basque (www.eaj-pnb.eu) | In French | |
| PNC | Parti de la Nation Corse | In French | |
| PNC | Partitu di a Nazione Corsu | In Corsican | |
| PNO | Partit de la Nacion Occitana | In Occitan | |
| PNO | Parti Nationaliste Occitan | In French | |
| PNR | Partido Nacional Renovador | In Portuguese | |
| PNV | Partido Nacionalista Vasco (www.eaj-pnv.eu) = EAJ (look above) |
In Spanish | |
| POc | Partit Occitan | In Occitan | |
| POSL | Parti Ouvrier Socialiste Luxembourgeois = LSAP (look above) |
In French | |
| POWN | Polska Organizacja Walki o Niepodleglość | In Polish | → History |
| PPE | Partit Popular Europeu | In Catalan | |
| PPF | Parti Populaire Français | In French | → History |
| PQ | Parti Québécois | In French | |
| PRCF | Pôle de Renaissance Communiste en France | In French | |
| PRG | Parti Radical de Gauche | In French | |
| PS | Partido Socialista | In Portuguese | |
| PS | Parti Socialiste | In French | |
| PSA | Pàrtaidh Shòisealach na h-Alba = SSP | Scottish Socialist Party | In English |
[GD] | |
| PSD | Partido Social Democrata | In Portuguese | |
| PSD | Partidul Social Democrat (www.psd.ro) | In Romanian | |
| PSD | Partidul Social Democrat din Moldova (www.psdm.md) | In Moldavan | |
| PSDLO | Páirtí Sóisialta Daonlathach an Lucht Oibre = SDLP | Social Democratic and Labour Party | In English |
In Irish | |
| PSDMR | Partidul Social Democrat al Muncii din Rusia = РСДРП | Росси́йская Социа́л-Демократи́ческая Рабо́чая Па́ртия | In Russian |
In Romanian | |
| PSE | Partito del Socialismo Europeo = ESP, PES (look above) |
In Italian | |
| PSE | Parti Socialiste Européen = ESP, PES (look above) |
In French |