

| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| PNC | Personnel Navigant Commercial | In French | → Transport and postal services | 
| PNC | Pôle National de Comptabilité | In French | → Accounting | 
| PNCA | Programme National de la Chimie Atmosphérique | In French | → Chemistry → Meteorology, climatology | 
| PNCS | Programme National de Cantines Scolaires | In French | → Nutrition → Education | 
| PNDA | Plan National de Développement Agricole | In French | → Agricultural sciences | 
| PNDA | Pensionnat Notre-Dame-des-Anges (www.pnda.qc.ca) | In French | → Education → Canada | 
| PNEAT | Programme National Efflorescences Alguales Toxiques | In French | → Earth sciences → Biological sciences | 
| PNEDC | Programme National d'Étude du Climat | In French | → Meteorology, climatology | 
| PNEM | Programme National d'Écotoxicologie Marine | In French | → Marine research, oceanography → Biological sciences | 
| PNH | Primate Non Humain | In French | → Primates → Veterinary medicine | 
| PNL | Programmation Neuro-Linguistique = NLP | Neuro-Linguïstisch Programmeren | In Dutch | In French | → Psychology → Linguistics | 
| PNLCC | Programme National de Lutte contre le Changement Climatique | In French | → Central administration → Meteorology, climatology → Environmental protection | 
| PNNS | Programme National Nutrition Santé | In French | → Nutrition → Public health and hygiene | 
| PNO | Parti Nationaliste Occitan | In French | → Political parties and movements | 
| PNOC | Programme National d'Océanographie Côtière | In French | → Marine research, oceanography | 
| PNR | Parc Naturel Régional | In French | → Environmental protection | 
| PNRC | Programme National de Recherche sur les Maladies Cardiovasculaires | In French | → Cardiology | 
| PNRD | Programme National de Recherche sur le Diabète | In French | → Physiology → Pathology | 
| PNT | Pertes Non Techniques | In French | |
| PNTPM | Physique Nucléaire Théorique et Physique Mathématique | In French | → Mathematics → Physics → Nuclear, atomic, and molecular physics | 
| PNUD | Programme des Nations Unies pour le Développement = PNUD | Programa de les Naciones Uníes pa'l Desendolcu | In Asturian = PNUD | Programul Naţiunilor Unite pentru Dezvoltare | In Romanian = PUND | Programo de la Unuiĝintaj Nacioj pri Disvolvado | In Esperanto = 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 French | → International relations → Development → United Nations | 
| PNUE | Programme des Nations Unies pour l'Environnement | In French | → United Nations | 
| PO | Promotion Ouvrière | In French | → Labour, labour economics | 
| PoA | Politique Africaine | In French | → Serial publications, periodicals → Politics → Africa | 
| POA | Pilote Opérationnel d'Application | In French | → Management → Software | 
| POBeo | Publications de l'Observatoire Astronomique de Beograd | In French | → Serial publications, periodicals → Astronomy | 
| POBor | Publications de l'Observatoire de l'Université de Bordeaux | In French | → Serial publications, periodicals → Astronomy | 
| POCHEP | Poste Communautaire d'Hygiène et d'Eau Potable | In French | → Public health and hygiene → Environmental technology, water supply, waste management | 
| POF | Plan d'Organisation et Fonctionnement | In French | → Management | 
| POGDC | Piston Octogonal à Géométrie Déformable Contrôlée | In French | → Mechanical engineering | 
| POH | Prix d'Ordre Horaire | In French | → Prices | 
| POI | Plan d'Opération Interne | In French | |
| POI | Pilote Opérationnel d'Infrastructure | In French | → Management | 
| PolAt | Pollution Atmosphérique | In French | → Serial publications, periodicals → 5023 → Meteorology, climatology | 
| POLDEN | Pollution, Déchets, Environnement | In French | → Environmental protection → Environmental technology, water supply, waste management | 
| POLUX | Production Optimisée de Livrables UML et XML | In French | → Software | 
| POM | Portée Optique Météorologique | In French | → Meteorology, climatology → Optics | 
| POP | Pilote Opérationnel Projet | In French | → Management | 
| POP | Post Office Protocol | In French | → Software → Networks, communication | 
| POPar | Publication de l'Observatoire de Paris | In French | → Serial publications, periodicals → Astronomy → France | 
| POPB | Palais Omnisports de Paris-Bercy | In French | → Sport, physical exercises → France | 
| POPE | Pilote Opérationnel de Projet d'Entreprise | In French | → Management | 
| PORTALIS | POste de Référence Technique d'Accès aux Logiciels, Informations et Services | In French | → Computer hardware → Software | 
| POS | Plan d'Occupation des Sols | In French | → Regional planning | 
| POSL | Parti Ouvrier Socialiste Luxembourgeois (www.lsap.lu) = LSAP | Lëtzebuerger Sozialistesch Aarbechterpartei | In Letzeburgesh = LSAP | Luxemburger Sozialistische Arbeiterpartei | In German = LSAP | Luxemburgse Socialistische Arbeiderspartij | In Dutch | In French | → Socialist parties → Luxembourg | 
| POSR | Parti Ouvrier Socialiste Révolutionnaire | In French | → Socialist parties → Anarchist organizations | 
| POST | Plan d'Orientation Scientifique et Technique | In French | → Research policy → Mathematics and natural sciences → Applied sciences, technology | 
| POStr | Publication de l'Observatoire de Strasbourg | In French | → Serial publications, periodicals → Astronomy | 
| POTou | Publications de l'Observatoire de Toulouse | In French | → Serial publications, periodicals → Astronomy | 
| PP | Préfecture de Police | In French | → Police | 
| PPA | Plan de Protection de l'Atmosphère | In French | → 5023 → Meteorology, climatology | 
| PPA | Pôle Paris Alternance (www.pgsm-ppa.fr) | In French | → Specialized or polytechnical colleges → Trade → France | 
| PPC | Perfectionnement Professionnel Continu | In French | → Education → Labour, labour economics | 
| PPCM | Plus Petit Commun Multiple = LCM | Least Common Multiple | In English = KGV | Kleinste Gemene Veelvoud | In Dutch = MCM | Mínim Comú Múltiple | In Catalan = NSN | Nejmenší Společný Násobek | In Czech = ggT | Größter gemeinsamer Teiler | In German = PMKO | Plej Malgranda Komuna Oblo | In Esperanto = MCM | Mínimo Común Múltiplo | In Spanish = PYJ | Pienin yhteinen jaettava | In Finnish = LKKT | Legkisebb közös többszörös | In Hungarian = KPK | Kelipatan persekutuan terkecil | In Indonesian = MCM | Minimo Comune Multiplo | In Italian = NWW | Najmniejsza wspólna wielokrotność | In Polish = MMC | Mínimo Múltiplo Comum | In Portuguese = НОК | Наименьшее общее кратное | In Russian = NSN | Najmenší spoločný násobok | In Slovak = НСК | Найменше спільне кратне | In Ukrainian | In French | → Number theory | 
| PPCP | Projet Pluridisciplinaire à Caractère Professionnel | In French | → Education → Labour, labour economics | 
| PPD | Pilote de Planification et de Déploiement | In French | → Management | 
| PPDC | Plate-forme de Préparation et de Distribution du Courrier | In French | → Postal services → France | 
| PPE | Programme de Principe d'Essais | In French | → Nuclear technology | 
| PPF | Parti Populaire Français | In French | → Political parties and movements → History → France | 
| PPG | Plan de Prévention Global | In French | → Accidents, risks, safety | 
| PPI | Plan Particulier d'Intervention | In French | |
| PPI | Plan de Prévention Individuel | In French | → Accidents, risks, safety | 
| PPMR | Préparation Physique, Mentale et Réathlétisation | In French | → Sport, physical exercises | 
| PPMS | Plan Particulier de Mise en Sûreté | In French | → Accidents, risks, safety | 
| PPMU | Plan Provincial Médical d'Urgence | In French | → Traumatology | 
| PPN | Parti Pied Noir | In French | → Political parties and movements → France | 
| PPP | Partenariat Public-Privé = PPP | Public Private Partnership | In English | In French | → Law, jurisprudence → Public administration, government | 
| PPP | Projet Professionnel Personnalisé | In French | → Personnel management → Labour, labour economics | 
| PPR | Plan de Prévention des Risques | In French | → Management → Accidents, risks, safety | 
| PPR | Panphotocoagulation rétinienne | In French | → Ophthalmology | 
| PPR | Périmètre Préférentiel de Regroupement | In French | |
| PPR | Programme de Principe de Requalification | In French | |
| PPRA | Pôle Productique Rhône-Alpes | In French | → Engineering, technology | 
| PPRE | Programme Personnalisé de Réussite Éducative | In French | → Education | 
| PPSL | Pôle Pilote de Sécurité Locale (www.ppsl.asso.fr) | In French | → Associations | 
| PQ | Parti Québécois | In French | → Political parties and movements → Canada | 
| PQJ | Police aux Questions Juives | In French | → Police | 
| PQR | Presse Quotidienne Régionale | In French | → Newspapers, journalism | 
| PQS | Prévention, Qualité, Sécurité | In French | → Quality management | 
| PR | Prix de Revient | In French | → Prices | 
| PRA | Projet de Recherche Amont | In French | → Research policy | 
| PRAI | Programme Régional d'Actions Innovatrices | In French | → Regional administration → Engineering, technology | 
| PRAMED | Programme Régional pour l'Air, la Maîtrise de l'Énergie et les Déchets | In French | |
| PRATIC | PRocédure d'Analyse et de Traitement des Informations Commerciales | In French | → Software → Trade → Energy economics | 
| PRC | Provision pour Risques et Charges | In French | → Accounting | 
| PRCC | Programme de Renforcement des Capacités Commerciales | In French | → Trade → Development | 
| PRCF | Pôle de Renaissance Communiste en France | In French | → Communist parties → France | 
| PRCTE | Programme Régional de la Création et de la Transmission d'Entreprises | In French | → Economic policy | 
| 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 | 
| PRDFP | Plan Régional de Développement des Formations Professionnelles | In French | → Education → Labour, labour economics | 
| PRDT | Prestation Régionale de Développement Technologique | In French | → Engineering, technology | 
| PRE | Police Régionale d'Etat | In French | → Police | 
| PRE | Prévision, Réalisation, Écart | In French | |
| PREDIS | Plan Régional d'Élimination des Déchets Industriels Spéciaux | In French | → Environmental protection → Environmental technology, water supply, waste management | 
| PREDIT | Programme National de Recherche et d'Innovation dans les Transports Terrestres | In French | → Vehicle engineering → Transport and postal services | 
| PRES | Pôles de Recherche et d'Enseignement Supérieur | In French | → Research policy → Specialized or polytechnical colleges → Higher education, universities | 
| PRES | Pôle de Recherche et d'Enseignement Supérieur | In French | → Research policy → Specialized or polytechnical colleges → Higher education, universities | 
| PRF | Projet de Recherches Fédérateur | In French | → Research policy | 
| PRG | Parti Radical de Gauche | In French | → Political parties and movements | 
| PRI | Programme de Recherches Interdisciplinaires | In French | → Research policy | 
| PRI | Point de Raccordement Immeuble | In French | → Telecommunications | 
| PRIC | Points Relais Information Conseil | In French | |
| PRIDES | Pôle Régional d'Innovation et de Développement Économique Solidaire | In French | → Organizations and associations → Research policy → Economics | 
| PRIIM | Projet de Réalisation et d'Innovation Industrielle de Microsystèmes Hétérogènes | In French | → Mechanical engineering → Electronics | 
| PRIM | Prévention des RIsques Majeurs | In French | → Accidents, risks, safety | 
| PRIMEQUAL | Programme de Recherche Interorganismes pour une Meilleure Qualité de l'Air à l'échelle Locale | In French | → Threats to the environment → Meteorology, climatology | 
| PRINCE | PRojet d'INfrastructure de Communication d'Entreprise | In French | → Networks, communication → Telecommunications | 
| PRISMA | Productique et Informatique des Systèmes Manufacturiers | In French | → Computer-based techniques → Mechanical engineering | 
| PRISME | PRoduits d'Information Spécialisée et Médiation Électronique | In French | → Knowledge management | 
| PRITI | Pays à Revenu Intermédiaire Tranche Inférieure | In French | → Geography → Development | 
| PRK | Prix de Revient Kilométrique | In French | → Prices → Automobile manufacturing | 
| PRL | Parti Rrépublicain de la Liberté | In French | → Political parties and movements → France | 
| PRM | Plafond Rayonnant Modulaire | In French | → Construction | 
| PRM | Point de Regroupement des Moyens | In French | → Firefighting | 
| PROJET | Promotion Rurale pour l'Orientation des Jeunes dans l'Entreprise par le Travail | In French | → Labour, labour economics → Personnel management | 
| PROLOG | PROgrammation LOGique | In French | → Programming languages | 
| PROMU | Prospective de la Mobilité dans les Métropoles | In French | → Transport and postal services → Regional planning | 
| PRP | Plafond Rayonnant Plâtre | In French | → Construction | 
| PrPc | Protéine Prion cellulaire | In French | → Proteins → Neurology → Infectious diseases | 
| PRPV | Programme Régional de Protection des Végétaux | In French | → 5023 → Botany | 
| PRQA | Plan Régional de la Qualité de l'Air | In French | → Environmental protection → Meteorology, climatology | 
| PRQA | Plan Régional pour la Qualité de l'Air | In French | → Regional administration → Environmental protection → Meteorology, climatology | 
| PRS | (Syndicat National des) Papetiers Répartiteurs Spécialisés | In French | → Organizations and associations → Graphic industries, printing, publishing → Paper and board industry | 
| PRST | Pôle de Recherche Scientifique et Technologique | In French | → Organizations and associations → Research policy → Engineering, technology | 
| PRV | Point de Regroupement des Victimes | In French | → Firefighting → Traumatology | 
| PS | Parti Socialiste | In French | → Socialist parties | 
| PS | Puissance Souscrite | In French | → Energy economics | 
| PSAD | Plate-forme de Suivi et d'Appui aux Décrocheurs | In French | → Education → Labour, labour economics | 
| PSC1 | Prévention et Secours Civiques de niveau 1 | In French | → Traumatology | 
| PSCDS | Publication Spéciale du Centre de Données Stellaires | In French | → Serial publications, periodicals → Astronomy | 
| PSDE | Programme de Soins Dentaires pour Enfants | In French | → Dentistry → Pediatry | 
| PSDE | Parti Social Démocrate Européen (www.psde.fr) | In French | → Socialist parties | 
| PSE | Parti Socialiste Européen (www.pes.org) = 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 | → Socialist parties → Europe | 
| PSEM | Pays du Sud et de l'Est de la Méditerranée | In French | → Geography | 
| PSEPR | Pôle Système Électrique Production Régionale | In French | → Electrical engineering | 
| PSF | Parti Social Français | In French | → Political parties and movements → France | 
| PSI | Programme de Surveillance de l'Irradiation | In French | → Nuclear technology | 
| PSI | Perception, Système et Information | In French | → Research institutes → Computer science | 
| PSICOSE | Participation du Système d'Information à la COmpréhension du Social dans l'Entreprise | In French | → Software → Personnel management | 
| PSIG | Peloton de Surveillance et d'Intervention de la Gendarmerie | In French | → Police | 
| PSIN | Physique des Solides Irradiés et des Nanostructures | In French | → Physics | 
| PSL | Produit Sanguin Labile | In French | → Pharmacology, toxicology → Blood and circulatory system | 
| PSN | Plan Stratégique National | In French | → Central administration | 
| PSP | Pôle Stratégique Parisien | In French | → Military affairs | 
| PSPA | Pilotage des Systèmes de Production Automatisée | In French | → Mechanical engineering | 
| PSPH | Participant au Service Public Hospitalier | In French | → Medicine | 
| PSS | Procédé de Stabilisation et Solidification | In French | → Environmental technology, water supply, waste management | 
| PSS | Permanents Syndicaux ou Sociaux | In French | → Labour, labour economics | 
| PSSA | Programme Spécial pour la Sécurité Alimentaire = SPFS | Special Programme for Food Security | In English | In French | → Agricultural sciences → Food technology | 
| PSU | Plan Stratégique d'Unité | In French | → Management | 
| PSU | Parti Socialiste Unifié | In French | → Socialist parties | 
| PSU | Prestation de Service Unique | In French | → Social welfare → Education | 
| PSU | Programme de Scolarisation Universelle | In French | → Education | 
| PT | Parti des Travailleurs | In French | → Political parties and movements | 
| PTA | Professeur Technique Adjoint | In French | → Specialized or polytechnical colleges | 
| PTA | Programme Triennal d'Actions | In French | → Management | 
| PTAE | Professeur Technique Adjoint d'Enseignement | In French | → Specialized or polytechnical colleges | 
| PTE | Procédure Technique d'Exploitation | In French | → Applied sciences, technology | 
| PTFE | Polytétrafluoroéthylène = PFTE | Polytetrafluoroethylene | In English = PTFE | Politetrafluoretilè | In Catalan = PFTE | Polytetrafluorethylen | In Czech = ПТФЭ | Политетрафторэтиле́н | In Chuvash = PFTE | Polytetrafluorethylen | In German = PFTE | Polytetrafluorieteenin | In Finnish = PFTE | Politetrafluoroetilene | In Italian = PFTE | ポリテトラフルオロエチレン | In Japanese = PFTE | Polytetrafluoretheen | In Dutch = PFTE | Politetrafluoretileno | In Portuguese = ПТФЭ | Политетрафторэтилен | In Russian = PFTE | Polytetrafluóretylén | In Slovak = PFTE | Polytetrafluoreten | In Swedish = PFTE | Politetrafloroetilen | In Turkish = ПТФЕ | Політетрафторетилен | In Ukrainian | In French | → Plastic industry | 
| PTI | Purpura Thrombopénique Idiopathique | In French | → Pathology | 
| PTI | Procédure Technique d'Installation | In French | → Applied sciences, technology | 
| PTI | Procédure Technique d'Implantation | In French | |
| PTI | Poste de Travail Informatisé | In French | → Computer science | 
| PTJ | Petits Travaux Journaliers | In French | → Labour, labour economics | 
| PTM | Procédure Technique de Migration | In French | → Applied sciences, technology | 
| PTO | Procédure Technique Opérationnelle | In French | → Applied sciences, technology | 
| PTR | Prestation Technologique Réseau | In French | → Engineering, technology | 
| PTS | Police Technique et Scientifique | In French | → Police | 
| PTT | Purpura Thrombotique Thrombocytopénique | In French | → Blood and circulatory system → Pathology | 
| PTZ | Prêt à Taux Zéro | In French | → Finance | 
| PU | Prix Unitaire | In French | → Prices | 
| PUC | Poste Urbain Compact | In French | → Electrical engineering | 
| PUCA | Plan Urbanisme, Construction, Architecture | In French | → Construction → Architecture | 
| PUCE | Programme pour l'Utilisation des Composants Électroniques | In French | → 621038 | 
| PUI | Plan d'Urgence Interne | In French | → Accidents, risks, safety | 
| PUL | Pôle Universitaire Lyonnais | In French | → Higher education, universities → France | 
| PUL | Plan d'Urbanisme Local | In French | → Regional planning | 
| PUMA | Programme pour l'Utilisation des Matériaux Avancés | In French | → 620 | 
| PUMA | Prix Unitaire Moyen des ouvrages gAz | In French | → Prices → Energy economics | 
| PUMP | Prix Unitaire Moyen Pondéré | In French | → Prices | 
| PUMSUD | Pour Un Mouvement Syndical Uni et Démocratique | In French | → Organizations and associations → Labour, labour economics | 
| PUR | Parti de l'Union Radicale | In French | → Political parties and movements | 
| PV | Polyglobulie de Vaquez | In French | → Blood and circulatory system → Pathology | 
| PV | Poste Variable | In French | |
| PVA | Plasma Viro-Atténué | In French | → Blood and circulatory system | 
| PVD | Pays en Voie de Développement | In French | → Geography → Development | 
| Q | Glutamine = Q | Glutamine | In English = Q | Glutamina | In Catalan = Q | Glutamin | In Czech = Q | Glutamin | In German = Q | Glutamina | In Spanish = Q | Glutamino | In Esperanto = Q | 글루타민 | In Korean = Q | Glutamin | In Indonesian = Q | Glutammina | In Italian = Q | גלוטמין | In Hebrew = Q | Glutamīns | In Latvian = Q | Glutamin | In Letzeburgesh = Q | Glutaminas | In Lithuanian = Q | Glutamine | In Dutch = Q | グルタミン | In Japanese = Q | Glutamina | In Polish = Q | Glutamina | In Portuguese = Q | Глутамин | In Russian = Q | Glutamín | In Slovak = Q | Глутамин | In Serbian = Q | Glutamiini | In Finnish = Q | Glutamin | In Swedish = Q | Glutamin | In Turkish = Q | Глутамін | In Ukrainian = Q | 穀氨醯胺 | In Chinese | In French | → Biochemistry, biophysics | 
| Q/R | Questions/Réponses | In French | |
| QCA | Quartier Central des Affaires | In French | → Economics | 
| QCD | Qualité, Coûts, Délais | In French | → Quality management → Prices | 
| QE | Quittancement Élaboré | In French | → Accounting | 
| QI | Qualification Initiale | In French | → Quality management | 
| QI | Quotient Intellectuel | In French | → Psychology | 
| QO | Qualification Opérationnelle | In French | → Quality management | 
| QP | Qualification des Performances | In French | → Quality management | 
| QP | Quote-Part | In French | |
| QPC | Question Prioritaire de Constitutionnalité | In French | → Politics → Law, jurisprudence | 
| QPR | Quartier Pour Radicalisés | In French | → 3438 → Islam | 
| QQOCP | Qui, Quand, Où, Comment, Pourquoi | In French |