| KRGE | Kongreß der Gemeiden und Regionen Europas | In German | → Municipal administration |
| KRIHS | Korea Research Institute for Human Settlements (www.krihs.re.kr) | In English | → Research institutes → Regional planning → Geography |
| KRPUT | Konferencja Rektorów Polskich Uczelni Technicznych (http://krput.p.lodz.pl) | In Polish | → Specialized or (poly)technical colleges |
| KRV | Katwijkse Rijn Vogels | In Dutch | → Sport, physical exercises |
| KRVC | Katholieke Rijswijkse Voetbal Club | In Dutch | → Roman catholic church → Football and rugby |
| KS | Komuna Seminario | In Esperanto | → Congresses |
| KSA | Korean Sociological Association | In English | → Associations → Sociology |
| KSC | Kiel Schoonoord Combinatie | In Dutch | → Sport, physical exercises |
| KSCV | Katholieke Sport Club Vasse | In Dutch | → Roman catholic church → Sport, physical exercises |
| KSFN | Yekîtîya xwendevanên Kurd li Norwêc = KSFN | Kurdisk Studentforening i Norge | In Norwegian |
In Kurdish | |
| KSFN | Kurdisk Studentforening i Norge = (look above) |
In Norwegian | |
| KSH | Katholiek Sportleven Harreveld | In Dutch | → Roman catholic church → Sport, physical exercises |
| KSÍ | Knattspyrnusamband Íslands eða (www.ksi.is) | In Icelandic | → Football and rugby |
| KSJB | Kerngroep Surinaamse Jongeren Bijlmermeer | In Dutch | → Sport, physical exercises |
| KSÖ | Katholische Sozialakademie Österreichs | In German | → Academies → Roman catholic church |
| KSS | Kantoh Sociological Society | In English | → Sociology |
| KSV | Kruizer Sport Vereniging | In Dutch | → Sport, physical exercises |
| KSV | Kombinatie Sport Vragender | In Dutch | → Sport, physical exercises |
| KT | Kunnallinen työmarkkinalaitos | In Finnish | → Labour, labour economics → Municipal administration |
| KTS | Klaus Tschira Stiftung | In German | → Foundations |
| KuN | Klavar-unuiĝo Nederlanda | In Esperanto | → Music |
| KURWA | Koedukacyjna Unia Rewolucyjno-Wyzwoleńczo-Anarchistyczna | In Polish | → Political parties and movements → Feminism |
| KVC | Kesselse Voetbal Club | In Dutch | → Football and rugby |
| KVL | Kunnallisvirkamiesliitto | In Finnish | → 351 |
| KVMA | Kentucky Veterinary Medical Association (www.kvma.org) | In English | → Associations → Veterinary medicine |
| KVMA | Kansas Veterinary Medical Association (www.ksvma.org) | In English | → Associations → Veterinary medicine |
| KVV | Krommeniër Voetbal Vereniging | In Dutch | → Football and rugby |
| KVV | Kevarzhe Vannielouriezh Vreizh = МРТ | Македонска радио-телевизија | In Macedonian = MRT | Macedonian Radio-Television | In English = SBV | Société Bretonne de Vexillologie | In French |
In Breton | → 9299 |
| KVVA | Katholieke Voetbal Vereniging Amersfoort | In Dutch | → Roman catholic church → Football and rugby |
| KVW | Karel Van Wely | In Dutch | → Sport, physical exercises |
| KZA | Komitee Zuidelijk Afrika | In Dutch | |
| L2ES | Laboratoire de Recherche en Électronique, Électrotechnique et Systèmes | In French | → Research institutes → Electrical engineering → Electronics |
| LA | Landa Asocio | In Esperanto | → Associations |
| LAAS | Laboratory for Analyse and Architecture of Systems | In English | → Research institutes → Engineering, technology |
| LAB | Laboratoire d'Accidentologie et de Biomécanique | In French | → Research institutes → Traumatology → Transport and postal services |
| LACE | Los Angeles Contemporary Exhibitions | In English | → Museums → Arts |
| LACE | Laboratoire d'Application de la Chimie à l'Environnement | In French | → Research institutes → Nature → Environment, environmental sciences → Chemistry |
| LADL | Laboratoire d'Automatisme Documentaire et Linguistique | In French | → Research institutes → Computer science → Libraries → Linguistics |
| LADO | Liga Apărării Drepturilor Omului | In Romanian | |
| LAEPSI | Laboratoire d'Analyse Environnementale des Procédés et des Systèmes Industriels | In French | → Research institutes → Nature → Environmental technology, water supply, waste management |
| LAFORIA | LAboratoire FORmes et Intelligence Artificielle | In French | → Research institutes → Artificial intelligence |
| LAI | (Österreichisches) Lateinamerika-Institut (www.lai.at) | In German | → Research institutes → Area studies |
| LAI | Laboratoire d'Automatique Industrielle | In French | → Research institutes → Mechanical engineering |
| LAMCOS | Laboratoire de Mécanique des Contacts et des Solides | In French | → Research institutes → 531 |
| LAMIH | Laboratoire d'Automatique et de Mécanique Industrielles et Humaines | In French | → Research institutes → Mechanical engineering |
| LAMOP | LAboratoire de Médiévistique Occidentale de Paris | In French | → Research institutes → Language, linguistics, literature → History |
| LAMSADE | Laboratoire d'Analyse et de Modélisation de Systèmes pour l'Aide à la DÉcision | In French | → Research institutes → Computer-based techniques → Management |
| LaMSID | Laboratoire de Mécanique des Structures Industrielles Durables | In French | → Research institutes → Mechanical engineering |
| LANL | Los Alamos National Laboratory | In English | → Research institutes |
| LANL | Los Alamos National Laboratories (www.lanl.gov) | In English | → Research institutes |
| LAPP | Laboratoire d’Annecy-le-Vieux de Physique des Particules | In French | → Research institutes → Nuclear, atomic, and molecular physics |
| LaRC | (NASA) Langley Research Center | In English | → Research institutes |
| LAREG | Laboratoire de Recherche en Géodésie | In French | → Research institutes → Geodesy, cartography |
| LARES | Laboratoire de Recherche en Sciences humaines et Sociales | In French | → Research institutes → Social sciences |
| LARSOA | Local Authority Road Safety Organisation | In English | → Transport and postal services |
| LARSSYAA | Laboratory for Application of Remote Sensing Aircraft Analysis | In English | → Research institutes → Aeronautics, aircraft |
| LASA | Laboratory Animal Science Association (www.lasa.co.uk) | In English | → Associations → Zoology → Veterinary medicine |
| LASER | Mouvement de Liaison des Associations de SÉcurité Routière | In French | → Transport and postal services |
| LASS | Laboratoire d'Analyse des Systèmes de Santé | In French | → Research institutes → Public health and hygiene |
| LATTS | LAboratoire Techniques, Territoires et Sociétés | In French | → Research institutes → Sociology → Regional planning |
| LAUF | Landssamtök áhugafólks um flogaveiki (www.lauf.is) | In Icelandic | → Neurology |
| LBA | Latin Businessmen's Association | In English | → Economics |
| LBB | Laboratoire Biotechnologie-Bioprocédés | In French | → Research institutes → Biotechnology |
| LBD | Laboratoire de Bases de Données | In French | → Research institutes → Data |
| LBE | Liga Brasileira de Epilepsia | In Portuguese | → Neurology |
| LBMA | London Bullion Market Association | In English | → Associations → Financial markets → Metallurgy |
| LBTA | Latvijas Būvmateriālu Tirgotāju Asociācija | In Latvian | → Trade → Building |
| LCBC | Lake Chad Basin Commission | In English | → International relations → Fishing, hunting |
| LCC | Laboratoire de Chimie de Coordination | In French | → Research institutes → Chemistry |
| LCE | Liga Colombiana contra la Epilepsia | In Spanish | → Neurology |
| LCGB | Lambretta Club of Great Britain | In English | |
| LCGB | Lëtzebuerger Chrëschtleche Gewerkschaftsbond | In Letzeburgesh | → Christianity → Labour, labour economics |
| LCI | Laboratory of Clinical Investigation | In English | → Research institutes → Medicine |
| LCIE | Laboratoire Central des Industries Électriques | In English | → Research institutes → Electrical engineering |
| LCPC | Laboratoire Central des Ponts et Chaussées (www.lcpc.fr) | In French | → Research institutes → Civil engineering |
| LCS | Libyan Cardiac Society | In English | → Cardiology |
| LCSR | Laboratoire de Combustion et Systèmes Réactifs | In French | → Research institutes |
| LCVR | Ligue Contre la Violence Routière | In French | → Transport and postal services |
| LDF | Ligue des Diabétiques de France (www.diabetenet.com) | In French | → Physiology → Pathology |
| LDMS | Laboratoire de Dynamique des Machines et des Structures | In French | → Research institutes → Mechanical engineering |
| LDVH | Landesdartverband Hamburg | In German | → Sport, physical exercises |
| LDWS | Leids Door Wilskracht Sterk | In Dutch | → Sport, physical exercises |
| LEAT | Laboratoire d'Électronique, Antennes et Télécommunications | In French | → Research institutes → Electronics → Telecommunications |
| LEBM | Laboratoire Européen de Biologie Moléculaire | In French | → Research institutes → Biochemistry, biophysics |
| LEDSS | Laboratoire d'Études Dynamiques et Structurales de la Sélectivité | In French | → Research institutes → Chemistry → Biochemistry, biophysics |
| LEJL | Litova Esperantista Junulara Ligo | In Esperanto | |
| LEJL | Litovia Esperantista Junulara Ligo | In Esperanto | |
| LEO | Leens En Omstreken | In Dutch | → Sport, physical exercises |
| LES | Laŭzana Esperanto Societo | In Spanish | |
| LES | Lucerna Esperanto-Societo | In Esperanto | |
| LET | Laboratoire d'Économie des Transports | In French | → Research institutes → Economics → Transport and postal services |
| LETI | Laboratoire d'Électronique et de Technologie de l'Informatique | In French | → Research institutes → Computer science → Electronics |
| LEW | Ligato Eindhoven West | In Dutch | → Sport, physical exercises |
| LFB | Ligue Féminine de Basket (www.basketfrance.com/lfb/) | In French | → Sport, physical exercises |
| LFC | Leidse Football Club | In Dutch | → Football and rugby |
| LFCC | Laboratoire Franco-Chinois sur la Catalyse | In French | → Research institutes → Chemistry → Chemical technology |
| LFCE | Ligue Française Contre l'Épilepsie (www.lfce-epilepsies.fr) | In French | → Neurology |
| LFP | Ligue de Football Professionnel | In French | → Football and rugby |
| LGE | Laboratoire de Géochimie des Eaux | In French | → Research institutes → Geochemistry → Hydrology |
| LGE | Laboratoire de Génie Électrique | In French | → Research institutes → Electrical engineering |
| LGGE | Laboratoire de Glaciologie et Géophysique de l'Environnement | In French | → Research institutes → Earth sciences |
| LGIT | Laboratoire de Géophysique Interne et de Tectonophysique | In French | → Research institutes → Geophysics → Seismology, earthquakes |
| LGS | Lëtzebuerger Guiden a Scouten | In Letzeburgesh | |
| LH | Ledernes Hovedorganisation | In Danish | → Labour, labour economics |
| LHBMC | Linden Heuvelse Boys - Maurits Combinatie | In Dutch | → Sport, physical exercises |
| LHRLA | Lawyers for Human Rights and Legal Aid | In English | → Law, jurisprudence → Fundamental rights |
| LIA | Laboratoire d'Informatique d'Avignon (www.lia.univ-avignon.fr) | In French | → Research institutes → Computer science |
| LIBE | Ligo Internacia de Blindaj Esperantistoj | In Esperanto | |
| LIBER | Ligue des Bibliothèques Européennes de Recherche | In French | → Libraries → Research policy |
| LICE | Lega Italiana Contro L'Epilessia (www.lice.it) | In Italian | → Neurology |
| LICHE | Liga Chilena contra la Epilepsia (www.ligaepilepsia.cl) | In Spanish | → Neurology |
| LICRA | Ligue Internationale Contre le Racisme et l'Antisémitisme | In French | → Fundamental rights |
| LIEF | Ligue des Infirmiers et des Infirmières de l'Espace Francophone | In French | → Medicine |
| LIER | Laboratoire d'essais INRETS Équipements Routiers | In French | → Research institutes → Civil engineering → Transport and postal services |
| LIF | Lighting Industry Federation | In English | → Environmental technology, water supply, waste management |
| LIG | Laboratoire d'Informatique de Grenoble | In French | → Research institutes → Computer science |
| LiLoLiPo | Linux et les Logiciels Libres à Pont-Château | In French | → Software → Operating systems |
| LIMHP | Laboratoire d'Ingénierie des Matériaux et des Hautes Pressions | In French | → Research institutes → Engineering, technology |
| LIMSI | Laboratoire d'Informatique pour la Mécanique et les Sciences de l'Ingénieur | In French | → Research institutes → Computer science → Mechanical engineering |
| LINC | Library Information Network Consortium | In English | → Libraries |
| LIOS | Linz Institute for Organic Solarcells = LIOS | Linzer Institut für Organische Solarzellen | In German |
In English | → Research institutes → Energy economics |
| LIOS | Linzer Institut für Organische Solarzellen = (look above) |
In German | → Research institutes → Energy economics |
| LIP6 | Laboratoire d'Informatique de Paris 6 | In French | → Research institutes → Computer science |
| LIRIS | Laboratoire d'InfoRmatique en Images et Systèmes d'information | In French | → Research institutes → Computer science → Graphical processing → 00 |
| LIRMM | Laboratoire d’Informatique, de Robotique et de Micro-électronique de Montpellier | In French | → Research institutes → Computer science → Electronics |
| LISE | Laboratoire Interdisciplinaire pour la Sociologie Économique | In French | → Research institutes → Sociology → Economics |
| LISMMA | Laboratoire d'Ingénierie des Systèmes Mécaniques et MAtériaux | In French | → Research institutes → Mechanical engineering |
| LIST | Laboratoire d'Intégration des Systèmes et des Technologies | In French | → Research institutes → Engineering, technology |
| LK | Lingva Komitato | In Esperanto | → Linguistics |
| LKK | Loka Kongresa Komitato | In Esperanto | → Congresses |
| LLI | Laboratoire de Linguistique Informatique | In French | → Research institutes → Computer-based techniques → Linguistics |
| LLNL | Lawrence Livermore National Laboratories | In English | → Research institutes |
| LLNL | Lawrence Livermore National Laboratory | In English | → Research institutes |
| LMC3O | Laboratoire de Matériaux Catalytiques et Catalyse en Chimie Organique | In English | → Research institutes → Chemistry |
| LMD | Laboratoire de Météorologie Dynamique | In French | → Research institutes → Meteorology, climatology |
| LMFA | Laboratoire de Mécanique des Fluides et d’Acoustique | In French | → Research institutes → 5325 → Aerodynamics → Physics |
| LMI | Laboratory of Molecular Imaging | In English | → Research institutes → Biochemistry, biophysics |
| LMM | Laboratory of Metabolic Medicine | In English | → Research institutes → Physiology |
| LMO | Laboratorium voor Modelonderzoek | In Dutch | → Research institutes |
| LMO | Linker Maas Oever | In Dutch | → Sport, physical exercises |
| LMSS | Liverpool Medical Students Society | In English | → Higher education, universities → Medicine |
| LNCC | Ligue Nationale Contre le Cancer | In French | → Oncology |
| LNE | Laboratoire National d'Essais | In French | → Research institutes |
| LNEC | Laboratório Nacional de Engenharia Civil | In Portuguese | → Research institutes → Building → Civil engineering |
| LNNL | Lawrence Livermore National Laboratory | In English | → Research institutes |
| LNR | Ligue Nationale de Rugby | In French | → Football and rugby |
| LO | Landsorganisationen I Danmark | In Danish | → Labour, labour economics |
| LOC | Laat Ons Combineren | In Dutch | → Sport, physical exercises |
| LOCI | Laboratory for Optical and Computational Instrumentation | In English | → Research institutes → Optics → Computer science |
| LOLICA | Logiciels Libres en Champagne-Ardenne | In French | → Software |
| LoLiTa | Logiciels Libres à Tahiti et ses îles | In French | → Software |
| LONGA | Lichaams Ontwikkeling Na Gedane Arbeid | In Dutch | → Sport, physical exercises |
| LPCI | Laboratoire de Physico-Chimie Industrielle | In French | → Research institutes → Chemical technology |
| LPEQ | Laboratoire de Psychologie Expérimentale et Quantitative (www.unice.fr/lpeq/) | In French | → Research institutes → Psychology |
| LPES | Laboratoire de Physique Électronique des Solides | In French | → Research institutes → 53912 |
| LPF | Liga de Fútbol Profesional (www.lfp.es) | In Spanish | → Football and rugby |
| LPIC | Ligue de Protection des Internautes Câblés | In French | → Internet → Consumerism → Telecommunications |
| LPL | Laboratoire de Physique des Lasers | In French | → Research institutes → Magnetism |
| LPM | Laboratoire de Physique de la Matière | In French | → Research institutes → 539 |
| LPMC | Laboratoire de Physique de la Matière Condensée (http://pmc.polytechnique.fr) | In French | → Research institutes → Physics of condensed matter |
| LPMTM | Laboratoire des Propriétés Mécaniques et Thermodynamiques des Matériaux | In French | → Research institutes → 531 → Thermodynamics |
| LPO | Ligue pour la Protection des Oiseaux | In French | |
| LPPA | Laboratoire de la Physiologie, de la Perception et de l'Action | In French | → Research institutes → Physiology |
| LPPE | Laboratoire de Physiologie et de Psychologie Expérimentales | In French | → Research institutes → Psychology → Physiology |
| LPS | Laboratoire de Police Scientifique | In French | → Research institutes → Police |
| LRC | Leerdamse Racing Club | In Dutch | → Sport, physical exercises |
| LREC | Laboratorio Regional de Engenharia Civil | In Portuguese | → Research institutes → Civil engineering → Building |
| LRF | Laogai Research Foundation | In English | → Foundations |
| LRI | Laboratoire de Recherche en Informatique | In French | → Research institutes → Computer science |
| LRPAT | Laboratoire de Recherche en Pathologies Radio-induites | In French | → Research institutes → Pathology |
| LSC | Lycurgus Sparta Combinatie | In Dutch | → Sport, physical exercises |
| LSEC | Laag Soeren Eerbeek Combinatie | In Dutch | → Sport, physical exercises |
| LSGC | Laboratoire des Sciences du Génie Chimique | In French | → Research institutes → Chemistry → Chemical technology |
| LSM | Lembaga Swadaya Masyarakat = ONGs | Organizações Não Governamentais | In Portuguese = NGO | Non-Governmental Organization | In English = NGO | Nichtregierungsorganisation | In German = ANG | Aozadur Nann-Gouarnamantel | In Breton = ONG | Organisation Non Gouvernementale | In French = NRO | Ne-Registara Organizo | In Esperanto = ONG | Organizzazione non governativa | In Italian = ONG | Organización non gobernamental | In Galician = GKE | Gobernuz Kanpoko Erakunde | In Basque = ONG | Organización no gubernamental | In Spanish = ΜΚΟ | Μη κυβερνητικές οργανώσεις | In Greek = NNO | Nevládní nezisková organizace | In Czech = ONG | Organització no governamental | In Catalan = ННО | Неурядові неприбуткові організації | In Ukrainian = ONG | Organização não governamental | In Portuguese = NGO | Niet-gouvernementele organisatie | In Dutch = NVO | Nevyriausybinė organizacija | In Lithuanian |
In Indonesian | |
| LSSL | Life Sciences Space Laboratory | In English | → Research institutes → Biological sciences → Spaceflight engineering, astronautics |
| LSV | Lennisheuvelse Sport Vereniging | In Dutch | → Sport, physical exercises |
| LSV | Leerdamse Sportvereniging Voorwaarts | In Dutch | → Sport, physical exercises |
| LSV | Lonnekerse Sport Vereniging | In Dutch | → Sport, physical exercises |
| LSVV | Leidse Studenten Voetbal Vereniging | In Dutch | → Higher education, universities → Football and rugby |
| LSVV | Langedijker Sport Vereniging Voorwaarts | In Dutch | → Sport, physical exercises |
| LTC | Langedijk Talmastraat Combinatie | In Dutch | → Sport, physical exercises |
| LTSI | Laboratoire Traitement du Signal et Instrumentation | In French | → Research institutes → Telecommunications |
| LTT | Laboratory of Thermal Turbomachines | In English | → Research institutes → Mechanical engineering |
| LTV | Latvijas Tirgotāju Asociācija | In Latvian | → Trade |
| LUCE | L'Unione Cinematografica Educativa | In Italian | → Cinema, movies |
| LUD | Liga Universitaria de Deportes | In Spanish | → Higher education, universities → Sport, physical exercises |
| LUG | Linux Users' Groups = GUL | Groupes d'Utilisateurs de Linux | In French |
In English | → Operating systems |
| LUGOAL | Linux User Group Of ALgeria | In English | → Operating systems |
| LULAC | League of United Latin American Citizens | In English | |
| LUM | Lehrervereinigung der Urner Mittelschule | In German | → Education |
| LURE | Laboratoire d'Utilisation du Rayonnement Électromagnétique | In French | → Research institutes → Electricity, magnetism, electromagnetism |
| LUSSI | Laboratoire UltraSons, Signaux et Instrumentation (www.lussi.univ-tours.fr) | In French | → Research institutes → Diagnostics |
| LUSU | Laurentian University Staff Union = SEUL | Syndicat des Employés de l’Université Laurentienne | In French |
In English | → Labour, labour economics → Higher education, universities |
| LVA | Laboratoire Vibrations-Acoustique | In French | → Research institutes → Acoustics |
| LVC | Loppersumse Voetbal Club | In Dutch | → Football and rugby |
| LVC | Leeuwarder Voetbal Club | In Dutch | → Football and rugby |
| LVE | Lille-Villeneuve-Espéranto | In French | |
| LVV | Larense Voetbal Vereniging | In Dutch | → Football and rugby |
| LVV | Leeuwarder Voetbal Vereniging | In Dutch | → Football and rugby |
| LVV | Leidsche Voetbal Vereeniging | In Dutch | → Sport, physical exercises |