| PO | Purchase Order | In English | → 34745 |
| PoA | Politique Africaine | In French | → Serial publications, periodicals → Politics |
| POC | Purchase Order Closeout | In English | → 34745 |
| POc | Partit Occitan | In Occitan | → Political parties and movements |
| POCN | Purchase Order Change Notice | In English | → 34745 |
| POR | Purchase Order Request | In English | → 34745 |
| POSL | Parti Ouvrier Socialiste Luxembourgeois = LSAP | Lëtzebuerger Sozialistesch Aarbechterpartei | In Letzeburgesh = LSAP | Luxemburger Sozialistische Arbeiterpartei | In German = LSAP | Luxemburgse Socialistische Arbeiderspartij | In Dutch |
In French | → Political parties and movements |
| POT | Proximity Operations Trainer | In English | → Education |
| POT | Polska Organizacja Turystyczna | In Polish | → Organizations and associations → Tourism |
| POWN | Polska Organizacja Walki o Niepodleglość | In Polish | → Political parties and movements → History |
| PP | Préfecture de Police | In French | → Police |
| PPCRB | Post-Prison Community Based Release | In English | → Law, jurisprudence |
| PPE | Partit Popular Europeu | In Catalan | → Political parties and movements |
| PPF | Parti Populaire Français | In French | → Political parties and movements → History |
| PPN | Pajak Pertambahan Nilai = TVA | Taxe sur la Valeur Ajoutée | In French = BTW | Belasting op Toegevoegde Waarde | In Afrikaans = IVA | Impost sobre el valor afegit | In Catalan = PDV | Porez na dodatu vrijednost | In Bosnian = ДДС | Данъкът върху добавената стойност | In Bulgarian = VAT | Value Added Tax | In English = AVI | Aldonvalora imposto | In Esperanto = ΦΠΑ | Φόρος Προστιθέμενης Αξίας | In Greek = DPH | Daň z přidané hodnoty | In Czech = Moms | Meromsætningsafgift | In Danish = IVA | Impuesto al Valor Agregado | In Spanish = MwSt | Mehrwertsteuer | In German = BTW | Belasting over de Toegevoegde Waarde | In Dutch = MVA | Merverdiavgift | In Norwegian = PVM | Pridėtinės vertės mokestis | In Lithuanian = IVA | Imposta sul Valore Aggiunto | In Italian = VASK | Virðisaukaskattur | In Icelandic = Áfa | Általános forgalmi adó | In Hungarian = PDV | Porez na dodanu vrijednost | In Croatian = ALV | Arvonlisävero | In Finnish = מע"מ | מס ערך מוסף | In Hebrew = KDV | Katma Değer Vergisi | In Turkish = VAT | ภาษีมูลค่าเพิ่ม | In Thai = VAT | மதிப்புக் கூட்டு வரி | In Tamil = DPH | Daň z pridanej hodnoty | In Slovak = НДС | Налог на добавленную стоимость | In Russian = TVA | Taxa pe valoarea adăugată | In Romanian = IVA | Imposto sobre o Valor Acrescentado | In Portuguese = VAT | 增值税 | In Chinese |
In Indonesian | → Taxes, duties |
| PPP | Public Private Partnership = PPP | Partenariat Public-Privé | In French |
In English | → Law, jurisprudence → Public administration, government |
| PPP | Partenariat Public-Privé = (look above) |
In French | → Law, jurisprudence → Public administration, government |
| PPRE | Programme personnalisé de Réussite Éducative | In French | → Education |
| PQ | Parti Québécois | In French | → Political parties and movements |
| PQA | Procurement Quality Assurance | In English | → 34745 |
| PQC | Procurement Quality Control | In English | → 34745 |
| PQE | Procurement Quality Engineering | In English | → 34745 |
| PQJ | Police aux Questions Juives | In French | → Police |
| PR | Procurement Regulation | In English | → 34745 |
| PR | Purchase Request | In English | → 34745 |
| PRAI | Programme Régional d’Actions Innovatrices | In French | → Regional administration → Engineering, technology |
| PRCC | Programme de Renforcement des Capacités Commerciales | In French | → Trade → Development |
| PRCF | Pôle de Renaissance Communiste en France | In French | → Political parties and movements |
| PRCTE | Programme Régional de la Création et de la Transmission d'Entreprises | In French | → Economic policy |
| PRD | Procurement Requirements Document | In English | → 34745 |
| PRD | Procurement Regulation Directive | In English | → 34745 |
| PRDF | Présentation et de Rapprochement des Données Financières = FDSR | Financial Data Submission and Reconciliation | In English |
In French | → Finance |
| PRDFP | Plan Régional de Développement des Formations Professionnelles des jeunes et des adultes | In French | → Labour, labour economics → Education |
| PRE | Police Régionale d'Etat | In French | → Police |
| PRES | Pôle de Recherche et d'Enseignement Supérieur | In French | → Research policy → Specialized or (poly)technical colleges → Higher education, universities |
| PRES | Pôles de Recherche et d'Enseignement Supérieur | In French | → Research policy → Specialized or (poly)technical colleges → Higher education, universities |
| PREST | Policy Research in Engineering, Science and Technology | In English | → Politics → Mathematics and natural sciences → Applied sciences, technology |
| PRG | Parti Radical de Gauche | In French | → Political parties and movements |
| PRISM | Pacific Roundtable on Industry, Society and Management | In English | → Management → Economics |
| PRITI | Pays à Revenu Intermédiaire Tranche Inférieure | In French | → Geography → Development |
| PRO | Praktijkonderwijs | In Dutch | → Education |
| PROO | Programma voor onderwijsonderzoek | In Dutch | → Education |
| PRSC | Poverty Reduction Support Credit | In English | → Finance → Development |
| PS | Partido Socialista | In Portuguese | → Political parties and movements |
| PS | Parti Socialiste | In French | → Political parties and movements |
| PSA | Pacific Sociological Association | In English | → Associations → Sociology |
| PSA | Pàrtaidh Shòisealach na h-Alba = SSP | Scottish Socialist Party | In English |
[GD] | → Political parties and movements |
| PSD | Partido Social Democrata | In Portuguese | → Political parties and movements |
| PSD | Partidul Social Democrat din Moldova (www.psdm.md) | In Moldavan | → Political parties and movements |
| PSD | Partidul Social Democrat (www.psd.ro) | In Romanian | → Political parties and movements |
| PSDLO | Páirtí Sóisialta Daonlathach an Lucht Oibre = SDLP | Social Democratic and Labour Party | In English |
In Irish | → Political parties and movements |
| PSDMR | Partidul Social Democrat al Muncii din Rusia = РСДРП | Росси́йская Социа́л-Демократи́ческая Рабо́чая Па́ртия | In Russian |
In Romanian | → Political parties and movements |
| PSE | Parti Socialiste Européen = PES | Party of European Socialists | In English = PES | Partia Europejskich Socjalistów | In Polish = ESP | Europeiska socialdemokratiska partiet | In Swedish = PSE | Partito del Socialismo Europeo | In Italian |
In French | → Political parties and movements |
| PSE | Partito del Socialismo Europeo = PES, ESP (look above) |
In Italian | → Political parties and movements |
| PSF | Parti Social Français | In French | → Political parties and movements |
| PSI | Partitu Sucialistu per l'Indipendenza | In Corsican | → Political parties and movements |
| PSN | Plan Stratégique National | In French | → Central administration |
| PSO | Pasaulio sveikatos organizacija = MOS | Monda Organiz(aĵ)o pri Sano | In Esperanto = WHO | World Health Organization | In English = OMS | Organisation Mondiale de la Santé | In Esperanto = OMS | Organizzazione Mondiale della Sanità | In Italian = WGO | Wêreldgesondheidsorganisasie | In Afrikaans = OMS | Organización Mundial de la Salú | In Asturian = СЗО | Световната здравна огранизация | In Bulgarian = SZO | Světová zdravotnická organizace | In Czech = OMS | Organització Mundial de la Salut | In Catalan = OMS | Organización Mundial de la Salud | In Spanish = MTO | Maailma Terviseorganisatsioon | In Estonian = MOE | Munduko Osasun Erakundea | In Basque = OMS | Organisacion mondiâla de la sandât | FRP = OMS | Organización Mundial da Saúde | In Galician = SZO | Svjetska zdravstvena organizacija | In Croatian = RTD | Rêxistina Tendurustiyê ya Dinyayê | In Kurdish = UMS | Urganizazziun mundiala da la Santaa | In Lombard = PVO | Pasaules veselības organizācija | In Latvian |
In Lithuanian | → United Nations → Medicine |
| PSOE | Partido Socialista Obrero Español | In Spanish | → Political parties and movements |
| PSPL | Priced Spare Parts List | In English | → Maintenance and logistics → 34745 |
| PSQ | Personnel Security Questionnaire | In English | → Labour, labour economics |
| PSR | Padomju Sociālistiskajām Republikām = RSS | Repubbliche Socialiste Sovietiche | In Italian = RSS | Republici Sovietice Socialiste | In Romanian = SSR | Sovjetskih Socialističnih Republik | In Slovenian = RSS | Républiques Socialistes Soviétiques | In French |
In Latvian | → Politics → Geography |
| PSRS | Padomju Sociālistisko Republiku Savienība = URSS | Unaniezh ar Republikoù Sokialour Soviedel | In Breton = URSS | Union des Républiques Socialistes Soviétiques | In French = USSR | Unie van Sosialistiese Sowjetrepublieke | In Afrikaans = USSR | Union of Soviet Socialist Republics | In English = СССР | Сою́з Сове́тских Социалисти́ческих Респу́блик | In Russian = CCCP | Съюзът на съветските социалистически републики | In Bulgarian = SSSR | Soyuz Sovetskikh Sotsialisticheskikh Respublik | In Russian = URSS | Unión de Republicas Sozialistas Sobieticas | In Aragonese = XRSS | Xunión de les Repúbliques Socialistes Soviétiques | In Asturian = SSRİ | Sovet Sosialist Respublikaları İttifaqı | In Azerbaijani = TSRS | Tarybu Socialistiniu Respubliku Sajunga | In Baltic languages = SSSR | Savez Sovjetskih Socijalističkih Republika | In Serbo-Croatian = URSS | Unió de Repúbliques Socialistes Soviètiques | In Catalan = SSSR | Svaz sovětských socialistických republik | In Czech = USSR | Unio de Sovetaj Socialismaj Respublikoj | In Esperanto = CCCP | Социаллă Совет Республикисен Союзĕ | In Chuvash = USSR | Unionen af Socialistiske Sovjetrepublikker | In Danish = URSS | Unione delle Repubbliche Socialiste Sovietiche | In Italian = ZSRR | Związek Socjalistycznych Republik Radzieckich | In Polish = SSKS | Szovjet Szocialista Köztársaságok Szövetsége | In Hungarian = UdSSR | Union der Sozialistischen Sowjetrepubliken | In German = ΕΣΣΔ | Ένωση Σοβιετικών Σοσιαλιστικών Δημοκρατιών | In Greek = URSS | Unión de Repúblicas Socialistas Soviéticas | In Spanish = NSVL | Nõukogude Sotsialistlike Vabariikide Liit | In Estonian = SESB | Sobietar Errepublika Sozialisten Batasuna | In Basque = USSR | Uny fan Sosjalistyske Sowjetrepublyken | In Frisian = ԽՍՀՄ | Խորհրդային Սոցիալիստական Հանրապետությունների Միություն | In Armenian = URSS | Unión das Repúblicas Socialistas Soviéticas | In Galician = სსრკ | საბჭოთა სოციალისტური რესპუბლიკების კავშირი | In Georgian = URSS | Unio Rerum Publicarum Socialisticarum Sovieticarum | In Latin = CCPC | Советтик Социалисттик Республикалар Союзу | In Kirghiz = UdSSR | Unioun vun de Sozialistesche Sowjetrepubliken | In Letzeburgesh = СССР | Сојуз на Советските Социјалистички Републики | In Macedonian = УРСС | Униуня Републичилор советиче Сочиалисте | In Moldavan = KRSS | Kesatuan Republik Sosialis Soviet | In Malay = USSR | Unie van Socialistische Sovjetrepublieken | In Dutch = SSSR | Sambandet av Sosialistiske Sovjet-Republikkar | In Nynorsk = SSSR | Samveldet av sovjetiske sosialistrepublikker | In Norwegian = URSS | Unnion d'Républyiques Socialistes Soviétiques | In Norman = URSS | União das Repúblicas Socialistas Soviéticas | In Portuguese = URSS | Union de las Republicas Socialistas Sovieticas | In Occitan = SSRH | Susyalista Suwit Republikakunap Huñun | In Quechua = ССРЦ | Советон Социалистон Республикæты Цæдис | In Ossetian = URSS | Uniunea Republicilor Sovietice Socialiste | In Romanian = URSS | Unioni dî ripùbblichi sucialisti suviètichi | In Sicilian = ZSSR | Zveza sovjetskih socialističnih republik | In Slovenian = СССР | Савез Совјетских Социјалистичких Република | In Serbian = SSCB | Sovyet Sosyalist Cumhuriyetler Birliği | In Turkish = СРСР | Союз Радянських Соціалістичних Республік | In Ukrainian = SSRB | Sovet Sosialistik Republiklar Berlege | In Tatar = SSRI | Sovet Sotsialistik Respublikalar Ittifoqi | In Uzbek |
In Latvian | → International relations → Geography |
| PT | Parti des Travailleurs | In French | → Political parties and movements |
| PT | Palvelutyönantajat | In Finnish | → Organizations and associations → Labour, labour economics → 33846 |
| PT | Perusahaan Terbatas | In Indonesian | → Economics |
| PTA | Professeur Technique Adjoint | In French | → Specialized or (poly)technical colleges |
| PTA | ParisTech Alumni (www.paristech-alumni.org) | In English | → Organizations and associations → Specialized or (poly)technical colleges |
| PTAE | Professeur Technique Adjoint d'Enseignement | In French | → Specialized or (poly)technical colleges |
| PTAN | Professional Teacher Associations Network | In English | → Organizations and associations → Education |
| PTAN | Preschool Technical Assistance Network | In English | → Education → Engineering, technology |
| PTC | Pacific Theological College | In English | → Religion, theology → Specialized or (poly)technical colleges |
| PTS | Police Technique et Scientifique | In French | → Police |
| PTZ | Prêt à Taux Zéro | In French | → Finance |
| PUC | Pontificia Universidad Católica de Chile | In Spanish | → Higher education, universities → Roman catholic church |
| PUCE-SI | Pontificia Universidad Católica - Sede Ibarra | In Spanish | → Roman catholic church → Higher education, universities |
| PUCESD | Pontificia Universidad Católica del Ecuador - Santo Domingo | In Spanish | → Roman catholic church → Higher education, universities |
| PUKAR | Partners for Urban Knowledge Action & Research | In English | → Sociology |
| PUL | Pôle Universitaire Lyonnais | In French | → Higher education, universities |
| PUMSUD | Pour Un Mouvement Syndical Uni et Démocratique | In French | → Organizations and associations → Labour, labour economics |
| PUND | Programo de la Unuiĝintaj Nacioj pri Disvolvado = PNUD | Programme des Nations Unies pour le Développement | In French = PNUD | Programa de les Naciones Uníes pa'l Desendolcu | In Asturian = PNUD | Programul Naţiunilor Unite pentru Dezvoltare | In Romanian = UNDP | United Nations Development Programme | In English = PNUD | Programa de las Naciones Unidas para el Desarrollo | In Spanish = PNUD | Programa de les Nacions Unides per al Desenvolupament | In Catalan = UNDP | გაეროს განვითარების პროგრამა | In Georgian = UNDP | জাতিসংঘ উন্নয়ন কর্মসূচী | In Bengali = PNUD | Programa das Nações Unidas para o Desenvolvimento | In Portuguese = ПРООН | Программа развития ООН | In Russian = UNDP | สำนักงานโครงการพัฒนาแห่งสหประชาชาติ | In Thai = UNDP | ஐக்கிய நாடுகள் வளர்ச்சித் திட்டம் | In Tamil = UNDP | 联合国开发计划署 | In Chinese |
In Esperanto | → International relations → Development → United Nations |
| PUR | Parti de l'Union Radicale | In French | → Political parties and movements |
| PVA | Psychische Vermoeidheid in de Arbeidssituatie | In Dutch | → Psychology → Labour, labour economics |
| PVD | Pays en Voie de Développement = PVS | Paesi in via di sviluppo | In Italian |
In French | → Development → Geography |
| PvdA | Partij van de Arbeid | In Dutch | → Political parties and movements |
| PVLA | Purchase Versus Lease Analysis | In English | → 33745 → Prices |
| PVM | Pridėtinės vertės mokestis = PPN, TVA, BTW, IVA, PDV, ДДС, VAT, AVI, ΦΠΑ, DPH, Moms, MwSt, MVA, VASK, Áfa, ALV, מע"מ, KDV, НДС (look above) |
In Lithuanian | → Taxes, duties |
| PVO | Pasaules veselības organizācija = PSO, MOS, WHO, OMS, WGO, СЗО, SZO, MTO, MOE, RTD, UMS (look above) |
In Latvian | → United Nations → Medicine |
| PVS | Paesi in via di sviluppo = PVD (look above) |
In Italian | → Development → Geography |
| PWR | Politechnika Wrocławska | In Polish | → Specialized or (poly)technical colleges → Engineering, technology |
| PWS | Pricing Work Statement | In English | → Prices |
| PWTN | People's Watch - Tamil Nadu | In English | |
| PZPR | Polska Zjednoczona Partia Robotnicza | In Polish | → Political parties and movements |
| QAA | Quality Assurance Agency for Higher Education | In English | → Specialized or (poly)technical colleges → Higher education, universities |
| QfB | Qualifizierungsförderung für Beschäftigte | In German | → Labour, labour economics → Education |
| QMUL | Queen Mary University of London | In English | → Higher education, universities |
| R2I | Réseau Industriel d'Innovation | In French | → Research policy → Industry, industrial policy → Engineering, technology |
| RAAP | Red Académica Peruana | In Spanish | → Computer science → Higher education, universities → Telecommunications |
| RACC | Reading Area Community College (www.racc.edu) | In English | → Education |
| RACC | Richmond Adult Community College (www.racc.ac.uk) | In English | → Education |
| RAF | Rote Armee Fraktion | In German | → Political parties and movements |
| RAGIE | Red Avanzada Guatemalteca para la Investigación y Educación | In Spanish | → Computer science → Education → Mathematics and natural sciences → Telecommunications |
| RAI | Mouvement des Jeunes Socialistes | In French | → Political parties and movements |
| RAICES | Red Avanzada de Investigación, Ciencia y Educación Salvadoreña | In Spanish | → Computer science → Education → Mathematics and natural sciences → Telecommunications |
| RAK | Rechtsanwaltskammer | In German | → Law, jurisprudence |
| RAN | Royal Australian Navy | In English | → 359 |
| RAO | Rossijskoje Akcionernoe Obščestvo = RJSC | Russian Joint Stock Company | In English = РАО | Российское акционерное общество | In Russian |
In Russian | → Economics |
| RAPACE | Répertoire Automatisé Pour l’Analyse des Contrefaçons de l’Euro | In French | → Police |
| RAPS | Regulatory Affairs Professionals Society (www.raps.org) | In English | → Organizations and associations → Law, jurisprudence |
| RATS | Regional Antiterrorism Structure | In English | |
| RAU | Red Académica Uruguaya | In Spanish | → Computer science → Higher education, universities → Telecommunications |
| RAWA | Revolutionary Association of the Women of Afghanistan = راوا | جمعیت انقلابی زنان افغانستان | In Persian |
In English | → Associations → Feminism |
| RC | Ricerca e Cooperazione | In Italian | → Organizations and associations → Research policy → International relations |
| RC | Recurring Cost | In English | → Prices |
| RCAP | Royal Commission on Aboriginal Peoples = CRPA | Commission Royale sur les Peuples Autochtones | In French |
In English | → Politics |
| RCD | Regional Cooperation for Development | In English | → Development |
| RCF | Rassemblement des Contribuables Français | In French | → Political parties and movements |
| RCO | Rencontres Chimiques de l’Ouest | In French | → Specialized or (poly)technical colleges → Chemistry → Chemical technology |
| RCS | Registre du Commerce et des Sociétés | In French | → Economic policy → Trade |
| RD | Rassemblement Démocrate | In French | → Political parties and movements |
| RDA | Rassemblement Démocratique Africain | In French | → Political parties and movements |
| REACCIUN | Red Académica de Centros de Investigación y Universidades Nacionales | In Spanish | → Computer science → Education → Telecommunications |
| REC | Regionale Expertisecentra | In Dutch | → Education |
| REN-ISAC | Research and Education Networking Information Sharing and Analysis Centre | In English | → Education → Mathematics and natural sciences |
| RENAR | Asociaţia Română de Acreditare | In Romanian | → Associations → Public administration, government |
| RENATER | Réseau National de Télécommunication pour la Technologie, l'Enseignement et la Recherche | In French | → Research policy → Networks, communication → Education → Engineering, technology |
| RER | Réseau Europe Régions | In French | → Research policy → Regional administration |
| ReSET | Regional Seminar for Excellence in Teaching | In English | → Education |
| RESF | Réseau Éducation Sans Frontières | In French | → Organizations and associations → Education |
| ReSo | Réformistes et Solidaires | In French | → Political parties and movements |
| RÉSR | Regroupement des Étudiants en Sciences des Religions | In French | → Organizations and associations → Religion, theology → Higher education, universities |
| RETL | Reeducation Through Labor | In English | → Labour, labour economics → Education |
| REUNA | Red Universitaria Nacional | In Spanish | → Computer science → Higher education, universities → Telecommunications |
| RF | République Française | In French | → Politics |
| RFDA | Revue Française de Droit Administratif | In French | → 05 → Law, jurisprudence |
| RFO | Revue des Facultés catholiques de l'Ouest | In French | → Serial publications, periodicals → Roman catholic church → Higher education, universities |
| RFS | Revue Française de Sociologie | In French | → Serial publications, periodicals → Sociology |
| RG | Renseignements Généraux | In French | → Police |
| RGC | Robert Gordon's College | In English | → Education |
| RGC | Rio Grande College | In English | → Education |
| RGC | Richard Glynn Consultants | In English | → 3591 |
| RGC | Research and Graduate College | In English | → Research policy → Education |
| RGD | Régie de Gestion des Données | In French | → Public administration, government → Computer science → Knowledge management |
| RGD | Registrar's General Department | In English | → Central administration |
| RGP | Recensement Général de la Population | In French | → Demography |
| RGR | Rassemblement des Gauches Républicaines | In French | → Political parties and movements |
| RGW | Rat für gegenseitige Wirtschaftshilfe = СЭВ | Совет экономической взаимопомощи | In Russian = CAEM | Conseil d'Assistance Économique Mutuelle | In French = СИВ | Съвет за икономическа взаимопомощ | In Bulgarian = CAEM | Consell d'Assistència Econòmica Mútua | In Catalan = COMECON | Council of Mutual Economic Assistance | In English = KREH | Konsilio de Reciproka Ekonomia Helpo | In Esperanto = CAME | Consejo de Ayuda Mutua Económica | In Spanish = KGST | Kölcsönös Gazdasági Segítség Tanácsa | In Hungarian = SEV | Sovet Ekonomitšeskoi Vzaimopomoštši | In Russian = KNER | Këshilli i Ndihmës Ekonomike Reciproke | In Albanian = RVHP | Rada vzájemné hospodářské pomoci | In Czech = RWPG | Rada Wzajemnej Pomocy Gospodarczej | In Polish = CAER | Consiliul de Ajutor Economic Reciproc | In Romanian = RVHP | Rada vzájomnej hospodárskej pomoci | In Slovak = HĐTTKT | Hội đồng Tương trợ kinh tế | In Vietnamese = РЕВ | Рада Економічної Взаємодопомоги | In Ukrainian |
In German | → International relations → Economics |
| RH | Rechnungshof | In German | → Central administration → Public finance |
| RI | Relief International | In English | → Organizations and associations → Development |
| RI | Relations Internationales | In French | → International relations |
| RI | Régiment d'Infanterie | In French | → 356 |
| RIAAO | Rhode Island Association of Assessing Officers (www.opaldata.net/riaao) | In English | → Associations → 332 |
| RIB | Relevé d'Identité Bancaire | In French | → Banks |
| RIDS | Rockwell Integrated Defense Simulator | In English | → 355 → Computer simulation |
| RIF | Rassemblement pour l'Indépendance et la souveraineté de la France | In French | → Political parties and movements |
| RIP | Relevé d'Identité Postale | In French | → Banks |
| RIS | Revue, Informatique et Statistique dans les sciences humaines | In French | → Serial publications, periodicals → Computer-based techniques → Statistics |
| RIS | Rechtsinformationssystem | In German | → Data → Law, jurisprudence |
| RISDP | Regional Indicative Strategic Development Plan | In English | → International relations → Development |
| RITA | Research and Innovative Technology Administration (www.rita.dot.gov) | In English | → Central administration → Research policy → Transport and postal services |
| RJSC | Russian Joint Stock Company = RAO, РАО (look above) |
In English | → Economics |
| RKP | Ruotsalainen Kansanpuolue = SFP | Svenska folkpartiet | In Swedish |
In Finnish | → Political parties and movements |
| RLB | Raiffeisenlandesbank | In German | → 3321 → Banks |
| RMI | Revenu Minimum d'Insertion | In French | → Social welfare |
| RMS | Reference Member State | In English | → International relations |
| RMY | Reeves Middleton Young | In English | → Law, jurisprudence |
| RN | Renovación Nacional | In Spanish | → Political parties and movements |
| RNA | Autoritatea Navală Română = RNA | Romanian Naval Authority | In English |
In Romanian | → Central administration → Transport and postal services |
| RNA | Romanian Naval Authority = (look above) |
In English | → Central administration |
| RNC | Republican National Committee | In English | → Political parties and movements |
| RND | Raad Nederlandse Detailhandel | In Dutch | → Organizations and associations → Trade |
| RNP | Rassemblement National Populaire | In French | → Political parties and movements |
| RNPP | Registre National des Personnes Physiques | In French | → Central administration |
| RNRE | Réseau National de Recherche et d'Éducation | In French | → Research policy → Networks, communication → Education |
| RoAPE | Review of African Political Economy | In English | → Serial publications, periodicals → Politics → Economics |
| ROI | Return On Investment | In English | → Economics |
| RPF | Rassemblement du Peuple Français | In French | → Political parties and movements |
| RPF | Rassemblement Pour la France | In French | → Political parties and movements |
| RPFC | Rassemblement du Peuple Franc-Comtois | In French | → Political parties and movements |
| RPPST | Réseau pour la Prévention et le Progrès en Santé au Travail - Île-de-France | In French | → Labour, labour economics → Medicine |
| RPR | Rassemblement pour la République | In French | → Political parties and movements |
| RRA | Rwanda Revenue Authority (www.rra.gov.rw) | In English | → Economics → Central administration |
| RRA | Rothstein Rosenfeldt Adler (http://rra-law.com) | In English | → Law, jurisprudence |
| RRA | Removal Review Authority (www.removalreviewauthority.govt.nz) | In English | → Law, jurisprudence → Migrations |
| RScEd | Research in Science Education | In English | → Serial publications, periodicals → Education |
| RSFSR | Russische Socialistische Federatieve Sovjetrepubliek = RSFSR | Russiske Sosialistiske Føderative Sovjet-Republikken | In Nynorsk = RSFSR | Republica Socialistă Federativă Sovietică Rusă | In Romanian |
In Dutch | → Politics → Geography |
| RSFSR | Republica Socialistă Federativă Sovietică Rusă = (look above) |
In Romanian | → Politics → Geography |
| RSFSR | Russiske Sosialistiske Føderative Sovjet-Republikken = (look above) |
In Nynorsk | → Politics → Geography |
| RSN | Refuser Solidarity Network (www.refusersolidarity.net) | In English | → Organizations and associations → Politics → 355 |
| RSS | Rural Sociological Society | In English | → Organizations and associations → Sociology |
| RSS | Republici Sovietice Socialiste = PSR, SSR (look above) |
In Romanian | → Politics → Geography |
| RSS | Républiques Socialistes Soviétiques = PSR, SSR (look above) |
In French | → Politics → Geography |
| RSS | Repubbliche Socialiste Sovietiche = PSR, SSR (look above) |
In Italian | → Politics → Geography |
| RSS | Rashtriya Swayamsevak Sangh = RSS | राष्ट्रीय स्वयंसेवक संघ | In Hindi |
In English | → Political parties and movements |
| RSS | राष्ट्रीय स्वयंसेवक संघ = (look above) |
In Hindi | → Political parties and movements |
| RSTEd | Research in Science and Technological Education | In English | → Serial publications, periodicals → Education |
| rt | Részvénytársaság | In Hungarian | → Economics |
| RTAGV | Réseau Temporaire d'Accueil des Gens du Voyage | In French | → Accommodation |
| RTD | Rêxistina Tendurustiyê ya Dinyayê = PSO, MOS, WHO, OMS, WGO, СЗО, SZO, MTO, MOE, UMS, PVO (look above) |
In Kurdish | → United Nations → Medicine |
| RTN | Research Training Network | In English | → Research policy → Education |