| ÖWAV | Österreichischer Wasser- und Abfallwirtschaftsverband | In German | |
| ÖWiG | Österreischische Wissenschaftsgesellschaft (www.oewig.at) | In German | → Organizations and associations → Research policy |
| OWL | Ostwestfalen-Darts-Liga | In German | → Organizations and associations → Sport, physical exercises |
| ÖZS | Österreichische Zeitschrift für Soziologie | In German | → Sociology |
| P | Phosphor = P | Fosfor | In Dutch = P | Phosphore | In French = P | Phosphorus | In English = P | Fósforo | In Esperanto |
In German | → Chemistry |
| P | Prolin = P | Proline | In English = P | প্রোলিন | In Bengali = P | Prolina | In Catalan = P | Prolin | In Danish = P | Prolina | In Spanish = P | Prolino | In Esperanto = P | Proline | In French = P | 프롤린 | In Korean = P | Prolin | In Croatian = P | Prolin | In Indonesian = P | Prolina | In Italian = P | פרולין | In Hebrew = P | Prolīns | In Latvian = P | Prolin | In Letzeburgesh = P | Prolinas | In Lithuanian = P | Prolin | In Hungarian = P | Proline | In Dutch = P | プロリン | In Japanese = P | Prolina | In Polish = P | Prolina | In Portuguese = P | Пролин | In Russian = P | Proliini | In Finnish = P | Prolin | In Swedish = P | Prolin | In Turkish = P | Пролін | In Ukrainian = P | 脯氨酸 | In Chinese |
In German | → Biochemistry, biophysics |
| PAE | Pulmonale arterielle Hypertonie | In German | → Blood and circulatory system → Chest diseases |
| PAH | Pulmonal arterielle Hypertonie | In German | → Pathology |
| PAIKH | Publikationen des Astrophysikalischen Instituts Königstuhl-Heidelberg | In German | → Serial publications, periodicals → Astronomy |
| PAP | Papanicolaou | In German | → Oncology |
| PAPG | Programm zur Auswertung von Pappgassenversuchen | In German | |
| PARTEI | Partei für Arbeit, Rechtsstaat, Tierschutz, Elitenförderung & basisdemokratische Initiative | In German | → Political parties and movements |
| PBB | Polybromierte Biphenyle = PBB | Polybromobiphényle | In French = PBB | Polybrominated biphenyl | In English |
In German | → Chemicals |
| PBDE | Polybromierte Diphenylether = PBDE | Polybromodiphényléther | In French = PBDE | Polybrominated diphenyl ether | In English |
In German | → Chemicals |
| PBS | Papier Büro und Schreibwaren | In German | → Paper and board industry |
| PBS | Pfadibewegung Schweiz | In German | → Organizations and associations |
| PCE | Polycarboxylether | In German | → Chemistry |
| PE | Primärenergie | In German | → Energy economics |
| PEP | Postexpositionelle Prophylaxe | In German | → Personal health and hygiene |
| PERM | Programmgesteuerte Elektronische Rechenanlage | In German | → Hardware |
| PFI | Plattform für Innovationsmanagement | In German | |
| PFT | Projektträger Produktion und Fertigungstechnologien | In German | → Engineering, technology |
| PfWB | Pfälzisches Wörterbuch | In German | → Dictionaries → Linguistics |
| PhJ | Philosophisches Jahrbuch | In German | → Serial publications, periodicals → Philosophy, psychology |
| PhyZ | Physikalische Zeitschrift | In German | → Serial publications, periodicals → Physics |
| PID | Präimplantationsdiagnostik | In German | → Diagnostics → Reproductive biology |
| PID | Presse- und Informationsdienst | In German | → Newspapers, journalism |
| PISA | Positions-Informations-System für zeit- und ortsbezogene Analysen | In German | |
| PKN | Psychotherapeutenkammer Niedersachsen | In German | → Organizations and associations → Psychology |
| PL | Papierfabrik Louisenthal | In German | → Paper and board industry |
| PLAGE | Plattform gegen Atomgefahren | In German | → Organizations and associations → Nuclear technology → Military engineering |
| PML | Progressive Multifokale Leukoenzephalopathie | In German | → Pathology |
| PMU | Paracelsus Medizinische Privatuniversität | In German | → Higher education, universities → Medicine |
| PND | Pränatale Diagnostik | In German | → Diagnostics → Reproductive biology |
| PNK | Prozessnahe Komponente | In German | |
| PNK | Personalnebenkosten | In German | → Labour, labour economics → Accounting |
| PRVA | Public Relations Verband Austria | In German | → Public relations |
| PSI | Paul Scherrer Institut = GEKT | Grupoj Eŭropaj je Koopero Teritoria | In Esperanto = GECT | Groupement Européen de Coopération Transfrontalière | In French |
In German | → Mathematics and natural sciences → Applied sciences, technology |
| PSO | ProzessStandard Offsetdruck | In German | → Graphic industries, printing, publishing |
| PTB | Physikalisch-Technische Bundesanstalt | In German | → Physics → Engineering, technology |
| PTJ | Projektträger Jülich | In German | |
| PTR | Projektträger Reaktorsicherheitsforschung | In German | → Nuclear technology |
| PULei | Publikationen der Königlichen Universitäts-Sternwarte zu Leipzig | In German | → Serial publications, periodicals → Astronomy |
| PUSK | Publikation der Königlichen Sternwarte in Kiel | In German | → Serial publications, periodicals → Astronomy |
| PVL | Periventrikuläre Leukomalazie = PVL | Periventricular Leukomalacia | In English = PVL | Periventriculaire Leukomalacie | In Dutch = LMPV | Leucomalacie périventriculaire | In French |
In German | → Obstetrics → Neurology |
| Q | Glutamin = Q | Glutamine | In English = Q | Glutamina | In Catalan = Q | Glutamin | In Czech = Q | Glutamina | In Spanish = Q | Glutamino | In Esperanto = Q | Glutamine | In French = 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 German | → Biochemistry, biophysics |
| QfB | Qualifizierungsförderung für Beschäftigte | In German | → Labour, labour economics → Education |
| R | Arginin = R | Arginine | In English = R | Arginina | In Catalan = R | Arginin | In Czech = R | Arginina | In Spanish = R | Arginino | In Esperanto = R | Arginine | In French = R | 아르기닌 | In Korean = R | Arginin | In Croatian = R | Arginin | In Indonesian = R | Arginina | In Italian = R | ארגינין | In Hebrew = R | Arginīns | In Latvian = R | Arginin | In Letzeburgesh = R | Argininas | In Lithuanian = R | Arginine | In Dutch = R | アルギニン | In Japanese = R | آرګېنين | In Pashto = R | Arginina | In Polish = R | Arginina | In Portuguese = R | Аргинин | In Russian = R | Arginín | In Slovak = R | Arginiini | In Finnish = R | Arginin | In Swedish = R | Arginin | In Turkish = R | Аргінін | In Ukrainian = R | 精氨酸 | In Chinese |
In German | → Biochemistry, biophysics |
| RA | Rheumatoide Arthritis | In German | → Pathology |
| RAF | Rote Armee Fraktion | In German | → Political parties and movements |
| RAG | Rohöl-Aufsuchungs Aktiengesellschaft | In German | → Chemical technology |
| RAK | Rechtsanwaltskammer | In German | → Law, jurisprudence |
| RBB | Rundfunk Berlin-Brandenburg | In German | → Telecommunications |
| REK | Räumliches Entwicklungskonzept | In German | → Regional planning |
| RFT | Rat für Forschung und Technologie | In German | → Research policy → Engineering, technology |
| RFT | Rat für Forschung und Technologieentwicklung (www.rat-fte.at) | In German | → Research policy → Engineering, technology |
| 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 |
| RhM | Rheinisches Museum für Philologie | In German | → Museums → Philology |
| RhWB | Rheinisches Wörterbuch | In German | → Dictionaries → Linguistics |
| RICAM | Johann Radon-Institut für computerorientierte und angewandte Mathematik | In German | → Research institutes → Computer science → Mathematics |
| RIF | Regionale Impulsförderung | In German | |
| RIO | Ressourcenverbrauch reduzieren, Innovationen implementieren, Output optimieren | In German | → Nature → Engineering, technology |
| RIS | Rechtsinformationssystem | In German | → Data → Law, jurisprudence |
| RIS | Rauminformationssystem | In German | → Software → Geography |
| RKI | Robert Koch-Institut | In German | |
| RKI | Rheinkraftwerk Iffezheim GmbH | In German | |
| RLB | Raiffeisenlandesbank | In German | → 3321 → Banks |
| RMB | Regionalmanagement Burgenland | In German | → Management |
| RNS | Ribonukleinsäure = ARN | Acidum ribonucleinicum | In Latin = RNA | Ribonucleic acid | In English = ARN | Acide ribonucléique | In French = РНК | Рибонуклеинова киселина | In Russian = ARN | حمض ريبي نووي | In Arabic = TRN | Trenkenn ribonukleek | In Breton = ARN | Àcid ribonucleic | In Catalan = RNK | Ribonukleová kyselina | In Czech = RNA | Ribonuklea acido | In Esperanto = ARN | Azido erribonukleiko | In Basque = ARN | Ácido ribonucleico | In Spanish = RNH | Ribonukleiinhape | In Estonian = RKS | Ríbósakjarnasýru | In Icelandic |
In German | → Genetics → Biochemistry, biophysics |
| RoLa | Rollende Landstraße | In German | → Transport and postal services |
| RPDV | Rheinland-Pfälzischer-Dartverband | In German | → Organizations and associations → Sport, physical exercises |
| RUSZ | Reparatur- und Servicezentrum | In German | |
| RWE | Rheinisch-Westfälisches Elektrizitätswerk | In German | → Electrical engineering |
| RWTHA | Rheinisch-Westfälische Technische Hochschule, Aerodynamisches Institut, Abhandlungen | In German | → Serial publications, periodicals → Aerodynamics |
| S | Schwefel = S | Soufre | In French = S | Swawel | In Afrikaans = S | كبريت | In Arabic = S | Azufre | In Asturian = S | Kükürd | In Azerbaijani = S | Сера | In Belarusian = S | Сяра | In Bulgarian = S | গন্ধক | In Bengali = S | Sumpor | In Bosnian = S | Sofre | In Catalan = S | Zolfu | In Corsican = S | Síra | In Czech = S | Sylffwr | In Welsh = S | Svovl | In Danish = S | Θείο | In Greek = S | Sulfur | In English = S | Sulfuro | In Esperanto = S | Azufre | In Spanish = S | Väävel | In Estonian = S | Sufre | In Basque = S | گوگرد | In Persian = S | Rikki | In Finnish = S | Solfar | In Friulian = S | Xofre | In Galician = S | גופרית | In Hebrew = S | गन्धक | In Hindi = S | Sumpor | In Croatian = S | Souf | HT = S | Kén | In Hungarian = S | Ծծումբ | In Armenian = S | Belerang | In Indonesian = S | Sulfo | In Ido = S | Brennisteinn | In Icelandic = S | Zolfo | In Italian = S | 硫黄 | In Japanese = S | 황 | In Korean = S | Kibrît | In Kurdish = S | Schwiefel | In Letzeburgesh = S | Solfer | LI = S | Siera | In Lithuanian = S | Sērs | In Latvian = S | Pungatara | In Māori = S | Сулфур | In Macedonian = S | ഗന്ധകം | In Malayalam = S | Хүхэр | In Mongolian = S | सल्फर | MR = S | Swevel | NDS = S | Zwavel | In Dutch = S | Svovel | In Nynorsk = S | Svovel | In Norwegian = S | Sulfre | NOV = S | Sofre | In Occitan = S | Siarka | In Polish = S | Enxofre | In Portuguese = S | Salina | In Quechua = S | Sulf | In Romanian = S | Сера | In Russian = S | Surfi | In Sicilian = S | Sumpor | In Serbo-Croatian = S | Síra | In Slovak = S | Žveplo | In Slovenian = S | Squfuri | SQ = S | Сумпор | In Serbian = S | Walirang | SU = S | Svavel | In Swedish = S | Sulfuri | In Swahili = S | கந்தகம் | In Tamil = S | గంధకము | TE = S | กำมะถัน | In Thai = S | Kükürt | In Turkish = S | Сірка | In Ukrainian = S | Oltingugurt | In Uzbek = S | Lưu huỳnh | In Vietnamese = S | שװעבל | In Yiddisch = S | 硫 | In Chinese |
In German | → Chemistry |
| S | Serin = S | Serine | In English = S | سيرين | In Arabic = S | Serina | In Catalan = S | Serin | In Czech = S | Serin | In Danish = S | Serina | In Spanish = S | Serino | In Esperanto = S | Sérine | In French = S | 세린 | In Korean = S | Serin | In Croatian = S | Serin | In Indonesian = S | Serina | In Italian = S | סרין | In Hebrew = S | Serīns | In Latvian = S | Serin | In Letzeburgesh = S | Serinas | In Lithuanian = S | Serine | In Dutch = S | セリン | In Japanese = S | Serin | In Norwegian = S | Seryna | In Polish = S | Serina | In Portuguese = S | Серин | In Russian = S | Seriini | In Finnish = S | Serin | In Swedish = S | செர்ரீன் | In Tamil = S | Serin | In Turkish = S | Серин | In Ukrainian = S | 絲氨酸 | In Chinese |
In German | → Biochemistry, biophysics |
| S&W | Sterne und Weltraum | In German | → Serial publications, periodicals → Astronomy |
| SA | Sturmabteilung | In German | → 355 → History |
| SAB | Schul- und Ausbildungsberatung | In German | → Education |
| SADV | Saarländischer Dartverband | In German | → Organizations and associations → Sport, physical exercises |
| SARAH | Sanierung radonbelasteter Häuser | In German | → Environmental technology, water supply, waste management → Building |
| SAV | Schweizerischer Anwaltsverband = FSA | Fédération Suisse des Avocats | In French |
In German | → Organizations and associations → Law, jurisprudence |
| SAV | Schweizer Apothekerverband = SSPh | Société Suisse des Pharmaciens | In French |
In German | → Organizations and associations → Pharmacology, toxicology |
| SBP | Studienkommission für bildungspsychologische Fragen | In German | → Psychology → Education |
| SCG | Schweizerischer Chiropraktoren-Gesellschaft = ASC | Association Suisse des Chiropraticiens | In French |
In German | → Organizations and associations |
| SCS | Schäfer-Carousel-System | In German | |
| SDNL | Steeldart-Niedersachsenliga | In German | → Organizations and associations → Sport, physical exercises |
| SDS | Sodiumdodecylsulfat | In German | → Chemistry |
| SDSS | Schweizerischer Dachverband Stationäre | In German | → Organizations and associations |
| SDV | Sächsischer Dartverband | In German | → Organizations and associations → Sport, physical exercises |
| Se | Selen = Se | Sélénium | In French = Se | Selenium | In Afrikaans = Se | سيلينيوم | In Arabic = Se | Селен | In Belarusian = Se | Селен | In Bulgarian = Se | সেলেনিয়াম | In Bengali = Se | Selen | In Bosnian = Se | Seleni | In Catalan = Se | Seleniu | In Corsican = Se | Selen | In Czech = Se | Selen | In Danish = Se | Σελήνιο | In Greek = Se | Selenium | In English = Se | Seleno | In Esperanto = Se | Selenio | In Spanish = Se | Seleen | In Estonian = Se | سلنیوم | In Persian = Se | Seleeni | In Finnish = Se | Seleni | In Friulian = Se | Selenio | In Galician = Se | סלניום | In Hebrew = Se | सेलेनियम | In Hindi = Se | Selenij | In Croatian = Se | Selenyòm | HT = Se | Szelén | In Hungarian = Se | Սելեն | In Armenian = Se | Selenium | In Indonesian = Se | Selenio | In Ido = Se | Selen | In Icelandic = Se | Selenio | In Italian = Se | セレン | In Japanese = Se | lurcmu | JBO = Se | 셀레늄 | In Korean = Se | Selenium | In Latin = Se | Selen | In Letzeburgesh = Se | Selenas | In Lithuanian = Se | Selēns | In Latvian = Se | Селен | In Macedonian = Se | सेलेनियम | MR = Se | Selen | NDS = Se | Seleen | In Dutch = Se | Selen | In Nynorsk = Se | Selen | In Norwegian = Se | Selèni | In Occitan = Se | Selen | In Polish = Se | Selênio | In Portuguese = Se | Silinyu | In Quechua = Se | Seleniu | In Romanian = Se | Селен | In Russian = Se | Sileniu | In Sicilian = Se | Selen | In Serbo-Croatian = Se | Selén | In Serbian = Se | Selen | In Slovenian = Se | Селен | In Serbian = Se | Selen | In Swedish = Se | Seleni | In Swahili = Se | செலீனியம் | In Tamil = Se | ซีลีเนียม | In Thai = Se | Selenyum | In Turkish = Se | Селен | In Ukrainian = Se | Selen | In Uzbek = Se | 硒 | In Chinese |
In German | → Chemistry |
| SEBIS | Senioren- und Behinderten Informationsservice | In German | |
| SEV | Schweizerische Eisenbahn- und Verkehrspersonal-Verband | In German | → Automobile manufacturing → Rail transport engineering |
| SFB | Spezialforschungbereich | In German | → Research policy |
| SFB | Spezialforschungsbereich | In German | |
| SFG | Steirische Wirtschaftsförderungsgesellschaft | In German | → Organizations and associations → Economics |
| SFRJ | Sozialistische Föderative Republik Jugoslawien = СФРЈ | Социјалистичка Федеративна Република Југославија | In Macedonian = SFRY | Socialist Federal Republic of Yugoslavia | In Serbian = SFRJ | Socijalistička Federativna Republika Jugoslavija | In Serbo-Croatian = RFSY | République Fédérale Socialiste de Yougoslavie | In French = JEFS | Jugoslaviako Errepublika Federal Sozialista | In Basque = RFSY | República Federal Socialista de Yugoslavia | In Spanish = SFRJ | Socialistická federativní republika Jugoslávie | In Czech = RFSI | República Federal Socialista de Iugoslàvia | In Catalan = RSFJ | Repubblica Socialista Federale di Jugoslavia | In Italian = SFRJ | Socjalistyczna Federacyjna Republika Jugosławii | In Polish = RSFJ | República Socialista Federal da Iugoslávia | In Portuguese = RSFI | Republica Socialistă Federativă Iugoslavia | In Romanian = СФРЮ | Социалистическая Федеративная Республика Югославия | In Russian = SFRJ | Socialistična federativna republika Jugoslavija | In Slovenian |
In German | → Geography → History |
| SFU | Sigmund Freud-Universität (www.sfu.ac.at) | In German | → Higher education, universities → Medicine |
| SFU | Sigmund Freud Privatuniversität | In German | → Higher education, universities |
| SGAM | Schweizerische Gesellschaft für Allgemeinmedizin | In German | → Organizations and associations → Medicine |
| SGB | Sozialgesetzbuch | In German | → Politics → Law, jurisprudence |
| SGFF | Schweizerische Gesellschaft für Fahnen- und Flaggenkunde | In German | → Organizations and associations → 9299 |
| SGKK | Salzburger Gebietskrankenkasse | In German | → Insurance |
| SGS | Schweizerische Gesellschaft für Soziologie | In German | → Organizations and associations → Sociology |
| SGSM | Schweizerische Gesellschaft für Sportmedizin = SSMS | Société Suisse de Médecine du Sport | In French |
In German | → Organizations and associations → Medicine → Sport, physical exercises |
| SGZP | Schweizerische Gesellschaft für zerstörungsfreie Prüfung | In German | → Engineering, technology |
| SHDV | Schleswig-Holsteiner Dartverband | In German | → Organizations and associations → Sport, physical exercises |
| SHT | Schädel-Hirn-Trauma | In German | → Traumatology |
| SIA | Schweizerischer Ingenieur- und Architekten-Verein = SIA | Société suisse des Ingénieurs et des Architectes | In French |
In German | → Organizations and associations → Engineering, technology → Architecture |
| SIJLAB | Sino-Italian Joint Laboratory of Archimede's Bridge | In German | → Research institutes → Civil engineering |
| SIRT | Selektive Interne Radiotherapie | In German | → Medicine |
| SKGG | Salzburger Kreditgarantiegesellschaft | In German | → Finance |
| SKKM | Staatliches Krisen- und Katastrophenschutzmanagement | In German | → 35175 → Police → Central administration |
| SKMV | Schwyzer Kantonaler Mittelschullehrerverband | In German | → Organizations and associations → Education |
| SKS | Subkommission für Kreide-Stratigraphie | In German | → Organizations and associations → Stratigraphy |
| SLK | Salzburger Landeskorrespondenz | In German | |
| SLS | Synchrotron Lichtquelle Schweiz | In German | → Electromagnetism |
| SMCA | Salzburger Museum Carolino Augusteum | In German | → Museums |
| SMI | Stefan Meyer Instituts für subatomare Physik | In German | → Nuclear, atomic, and molecular physics |
| SMPV | Schweizerischer Musikpädagogischer Verband (www.sspm.ch) = SSPM | Société Suisse de Pédagogie Musicale | In French |
In German | → Organizations and associations → Education → Music |
| SMVO | Studienschwerpunkt Moderner Vorderer Orient | In German | → Higher education, universities → Area studies |
| SMZ | Schweizerischer Fachverband metallverarbeitender Zulieferer | In German | → Organizations and associations → Metallurgy |
| SNG | Schweizerische Naturforschende Gesellschaft | In German | → Organizations and associations → Mathematics and natural sciences |
| SNV | Schweizerische Normen-Vereinigung (www.snv.ch) | In German | → Standardization → Organizations and associations |
| SOS | Seminar für Orientalische Sprachen | In German | → Linguistics |
| SPD | Sozialdemokratische Partei Deutschlands | In German | → Political parties and movements |
| SPÖ | Sozialdemokratische Partei Österreichs | In German | → Political parties and movements |
| SPV | Schweizer Psychotherapeuten Verband = ASP | Association Suisse des Psychothérapeutes | In French |
In German | → Organizations and associations → Psychology |
| SS | Schutzstaffel | In German | → 355 → History |
| SSPE | Subakut sklerosierende Panenzephalitis | In German | → Neurology |
| SSVB | Sächsischer Sportverband Volleyball | In German | → Organizations and associations → Sport, physical exercises |
| SSW | Schwangerschaftswoche | In German | → Obstetrics |
| STA | Siebenten-Tags-Adventisten | In German | → Christianity |
| STD | Stratigraphische Tabelle von Deutschland | In German | → Stratigraphy |
| STGKK | Steiermärkische Gebietskrankenkasse | In German | → Insurance |
| StII | Studien zur Indologie und Iranistik | In German | → Area studies |
| STRAPAMO | (Bildung von) Strategischen F&T Partnerschaften mit Mittel- und Osteuropa | In German | → International relations → Research policy |
| STV | Schweizerischer Treuhänder-Verband = USF | Union Suisse des Fiduciaires | In French |
In German | → Organizations and associations |
| SUB | Staats- und Universitätsbibliothek | In German | → Libraries |
| SUBG | Salzburger Unternehmensbeteiligungsgesellschaft | In German | → Finance |
| SÜGAM | Südtiroler Gesellschaft für Allgemeinmedizin | In German | → Organizations and associations → Medicine |
| SVA | Schiffbautechnische Versuchsanstalt (www.sva.at) | In German | → Research institutes → 6295 |
| SVBP | Schweizerische Vereinigung der Belegärzte an Privatkliniken | In German | → Organizations and associations → Medicine |
| SVIA | Schweizerischer Verein für Informatik in der Ausbildung = SSIE | Société Suisse pour l'Informatique dans l'Enseignement | In French = SSII | Società Svizzera per l'Informatica nell'Insegnamento | In Italian |
In German | → Organizations and associations → Computer science → Education |
| SVK | Sachverständigenkommission | In German | → Politics |
| SVME | Schweizerischer Verband für Materialwirtschaft und Einkauf | In German | → Applied sciences, technology |
| SWR | Südwestrundfunk | In German | → Telecommunications |
| SWR | Siedewasserreaktor = BWR | Boiling Water Reactor | In English = REB | Réacteur à Eau Bouillante | In French |
In German | → Nuclear technology |
| SZA | Schweißtechnische Zentralanstalt | In German | → Metallurgy |
| T | Threonin = T | Threonine | In English = T | Treonina | In Catalan = T | Threonin | In Czech = T | Treonina | In Spanish = T | Treonino | In Esperanto = T | Thréonine | In French = T | 트레오닌 | In Korean = T | Treonin | In Indonesian = T | Treonina | In Italian = T | תראונין | In Hebrew = T | Treonīns | In Latvian = T | Threonin | In Letzeburgesh = T | Treoninas | In Lithuanian = T | Threonine | In Dutch = T | トレオニン | In Japanese = T | Treonina | In Polish = T | Treonina | In Portuguese = T | Треонин | In Russian = T | Treoniini | In Finnish = T | Treonin | In Swedish = T | Treonin | In Turkish = T | Треонін | In Ukrainian = T | 蘇氨酸 | In Chinese |
In German | → Biochemistry, biophysics |
| T | Thymin = T | Thymine | In English = T | ثايمين | In Arabic = T | Timina | In Catalan = T | Thymin | In Czech = T | Thymin | In Danish = T | Θυμίνη | In Greek = T | Timina | In Spanish = T | Timino | In Esperanto = T | Timina | In Galician = T | Timina | In Italian = T | Thymine | In French = T | Timin | In Indonesian = T | תימין | In Hebrew = T | Timinas | In Lithuanian = T | Timin | In Hungarian = T | Thymine | In Dutch = T | チミン | In Japanese = T | Tymin | In Norwegian = T | Tymina | In Polish = T | Timina | In Portuguese = T | Тимин | In Russian = T | Timin | In Slovenian = T | Тимин | In Serbian = T | 胸腺嘧啶 | In Chinese = T | Тимін | In Ukrainian = T | Timin | In Turkish = T | Timin | In Serbo-Croatian = T | ไทมีน | In Thai = T | Tymiini | In Finnish = T | Tymin | In Swedish |
In German | → Genetics → Biochemistry, biophysics |
| TCKT | Transfercenter für Kunststofftechnik (www.tckt.info) | In German | → Plastic industry |
| TCM | Traditionelle Chinesische Medizin | In German | → Medicine |
| TDM | TrashDesignManufaktur | In German | → Environmental technology, water supply, waste management → Graphic arts |
| TEM | Transmissionselektronenmikroskopie = TEM | Transmission Electron Microscopy | In English = MET | Microscopie électronique en transmission | In French |
In German | → Physics |
| TEOS | Tetraethylorthosilikat = TEOS | Tetraethyl Orthosilicate | In English |
In German | → Chemical technology |
| TESSAG | TEchnische Anlagen und Services AG | In German | |
| TGD | Tiergesundheitsdienst | In German | → Veterinary medicine |
| TGKK | Tiroler Gebietskrankenkasse | In German | → Insurance |
| ThLZ | Theologische Literaturzeitung | In German | → Serial publications, periodicals → Religion, theology → Literature |
| THP | Transferstelle Hochschule-Praxis | In German | → Education |
| THT | Thanscheidt HausTechnik | In German | → Applied sciences, technology |
| TiB | Theater im Bahnhof | In German | → Theatre |
| TIB | Technische Informationsbibliothek | In German | → Libraries → Applied sciences, technology |
| TIG | Technologie-Impuls-Gesellschaft | In German | → Applied sciences, technology |
| TIM | Technologie- und Innovationsmanagement | In German | → Engineering, technology |
| TIRA | Thüringer Industriewerk Rauenstein | In German | |
| TKMS | Thurgauische Konferenz der Mittelschullehrkräfte | In German | → Organizations and associations → Education |
| TLL | Thüringer Landesanstalt für Landwirtschaft | In German | → Agricultural sciences |
| TME | Team für Marketing-Erfolge | In German | → 659 |
| TNF | Technisch-Naturwissenschaftliche Fakultät | In German | → Specialized or (poly)technical colleges |
| TNT | Trinitrotoluol = TNT | Trinitrotoluè | In Catalan = TNT | Trinitrotoluen | In Czech = TNT | Trinitrotoluene | In English = TNT | Trinitrotolueno | In Esperanto = TNT | Trinitrotolueno | In Spanish = TNT | Trinitrotoluenori | In Basque = TNT | ترینیتروتولوئن | In Persian = TNT | Trinitrotoluène | In French = TNT | Trinitrotoluene | In Italian = TNT | Trinitrotoluolas | In Lithuanian = TNT | Trinitrotolueen | In Dutch = TNT | Trinitrotoluen | In Nynorsk = TNT | Trinitrotoluen | In Norwegian = TNT | Trinitrotolueno | In Portuguese = TNT | Trinitrotoluen | In Romanian = TNT | Тринитротолуол | In Russian = TNT | Trinitrotoluen | In Slovenian = ТНТ | Тринитротоулен | In Serbian = TNT | ทีเอ็นที | In Thai = TNT | Trinitrotoluen | In Turkish = ТНТ | Тринітротолуол | In Ukrainian |
In German | → Chemicals → Military engineering |
| TPV | Technologiepark Villach | In German | → Engineering, technology |
| TRAFO | Transdisziplinäres Forschen Geistes-, Sozial- und Kulturwissenschaften | In German | → Social sciences → Civilization, culture, progress |
| TSE | Transmissible Spongiforme Enzephalopathie | In German | → Neurology → Veterinary medicine |
| TT | Tiroler Tageszeitung | In German | → Newspapers, journalism |
| TUHH | Technische Universität Hamburg-Harburg | In German | → Higher education, universities |
| TÜV | Technischer Überwachungsverein | In German | → Applied sciences, technology |
| TWFF | Tiroler Wirtschaftsförderungsfonds | In German | → Finance |
| TZW | Technologiezentrum Wasser (www.tzw.de) | In German | → Research institutes → Environmental technology, water supply, waste management |
| U | Uran = U | Uranio | In Esperanto = U | Uranium | In French = U | Uran | ALS = U | يورانيوم | In French = U | Uran | In Azerbaijani = U | Уран | In Belarusian = U | Уран | In Bulgarian = U | ইউরেনিয়াম | In Bengali = U | Uranijum | In Bosnian = U | Urani | In Catalan = U | Uraniu | In Corsican = U | Uran | In Czech = U | Uran | In Danish = U | Ουράνιο | In Greek = U | Uranium | In English = U | Uranio | In Spanish = U | Uraan | In Estonian = U | Uranio | In Basque = U | اورانیوم | In Persian = U | Uraani | In Finnish = U | Urani | In Friulian = U | Uranio | In Galician = U | אורניום | In Hebrew = U | Uranij | In Croatian = U | Iranyòm | HT = U | Urán | In Hungarian = U | Ուրան (տարր) | In Armenian = U | Uranium | In Indonesian = U | Uranio | In Ido = U | Úran | In Icelandic = U | Uranio | In Italian = U | ウラン | In Japanese = U | jinmrvurani | JBO = U | ಯುರೇನಿಯಮ್ | KN = U | 우라늄 | In Korean = U | Uranium | In Latin = U | Uran | In Letzeburgesh = U | Uranas | In Lithuanian = U | Urāns | In Latvian = U | യുറേനിയം | In Malayalam = U | Ilhuicateōtepoztli | En Nahuatl = U | Uran | NDS = U | Uranium | In Dutch = U | Uran | In Nynorsk = U | Uran | In Norwegian = U | Uran | In Polish = U | Urânio | In Portuguese = U | Uranyu | In Quechua = U | Uraniu | In Romanian = U | Уран | In Russian = U | यूरानियम | In Sanskrit = U | Uraniu | In Sicilian = U | Uranijum | In Serbo-Croatian = U | Urán | In Slovak = U | Uran | In Slovenian = U | Urani | SQ = U | Уранијум | In Serbian = U | Uran | In Swedish = U | Urani | In Swahili = U | யுரேனியம் | In Tamil = U | ยูเรเนียม | In Thai = U | Uranyo | In Tagalog = U | Uranyum | In Turkish = U | Уран | In Ukrainian = U | Urani | In Vietnamese = U | 鈾 | In Chinese |
In German | → Chemistry |
| UAJ | Ural-Altaische Jahrbücher | In German | → Serial publications, periodicals → Language, linguistics, literature → Geography, biography, history |
| UBA | Umweltbundesamt | In German | → Central administration → Environment, environmental sciences |
| UdSSR | Union der Sozialistischen Sowjetrepubliken = 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 = 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 = PSRS | Padomju Sociālistisko Republiku Savienība | In Latvian = 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 German | → International relations → Geography |
| UFO | Unidentifiziertes Flugobjekt = OVNI | Objet Volant Non Identifié | In French = OVNI | Objecte Volador No Identificat | In Catalan = НЛО | Неидентифициран летящ обект | In Bulgarian = OVNI | Objeto Volador No Identificado | In Spanish = UFO | Unidentified Flying Object | In English = UFO | Unknown Flying Object | In English = UFO | Uidentificeret flyvende objekt | In Danish = NIFO | Neidentigita Fluganta Objekto | In Esperanto = UFO | Unbekend fleanend objekt | In Frisian = עב"מ | עצם בלתי מזוהה | In Hebrew = OVNI | Oggetto Volante Non Identificato | In Italian = NLO | Neidentificēts lidojošs objekts | In Latvian = UFO | Uidentifisert flygende objekt | In Norwegian = UFO | Uidentifisert flygande objekt | In Nynorsk = NOL | Niezidentyfikowany Obiekt Latający | In Polish = OVNI | Objeto Voador Não Identificado | In Portuguese = OZN | Obiect Zburător Neidentificat | In Romanian = НЛО | Неопознанный летающий объект | In Russian = NLO | Neidentifikovani leteći objekat | In Serbo-Croatian |
In German | → Spaceflight engineering, astronautics |
| UKG | Ultraschallkardiographie | In German | → Diagnostics → Cardiology |
| ULA | Union der Leitenden Angestellten | In German | → Organizations and associations → Labour, labour economics |
| UPE | Universitäre Palliativmedizinische Einrichtung | In German | → Medicine |
| UVE | Umweltverträglichkeitserklärung | In German | |
| UVP | Umweltverträglichkeitsprüfung | In German | → Nature and society |
| UWZ | Unwetterzentrale | In German | → Meteorology, climatology |
| UWZ | Universitätswassersportzentrum | In German | → Sport, physical exercises |
| UZA | Universitätszentrum Althanstraße | In German | → Higher education, universities |
| UZF | Universitätszentrum für Friedensforschung (http://frieden.univie.ac.at) | In German | → Research institutes → International relations |
| UZW | Umweltzentrum Westfalen | In German | |
| V | Valin = V | Valine | In English = V | Valina | In Catalan = V | Valin | In Czech = V | Valin | In Danish = V | Valina | In Spanish = V | Valino | In Esperanto = V | Valine | In French = V | 발린 | In Korean = V | Valin | In Croatian = V | Valin | In Indonesian = V | Valina | In Italian = V | :ולין | In Hebrew = V | Valīns | In Latvian = V | Valin | In Letzeburgesh = V | Valinas | In Lithuanian = V | Valine | In Dutch = V | バリン | In Japanese = V | Walina | In Polish = V | Valina | In Portuguese = V | Валин | In Russian = V | Valină | In Romanian = V | Valiini | In Finnish = V | Valin | In Swedish = V | Valin | In Turkish = V | Валін | In Ukrainian = V | 缬氨酸 | In Chinese |
In German | → Biochemistry, biophysics |
| VAE | Vereinigte Arabische Emirate | In German | → Geography |
| VAG | Vierteljahresschrift der Astronomischen Gesellschaft | In German | → Serial publications, periodicals → Astronomy |
| VAP | Verein für ambulante Psychotherapie | In German | → Organizations and associations → Psychology → Medicine |