| International League for Human Rights , ILHR | International League for Human Rights , ILHR |
| International Lease Finance Corporation | ILFC |
| international legislation | internationale Rechtsvorschriften |
| International Lenin Prize for Strengthening Peace Among Peoples | Internationale Leninpreis für die Festigung des Friedens zwischen den Völkern |
| International Lesbian and Gay Association | International Lesbian and Gay Association |
| international letter | Auslandsbrief |
| international level | internationale Ebene |
| International Libertarian Solidarity | International Libertarian Solidarity |
| International Linear Collider | International Linear Collider |
| International Lutheran Council | Internationaler Lutherischer Rat |
| international management , INT MGMT , IM | internationales Management , IM |
| International Marine Insurance Union , I.M.I.U. , IMIU | Internationaler Schiffsversicherungsverband |
| international maritime law | Seevölkerrecht |
| International Maritime Organization | Internationale Seeschifffahrts-Organisation |
| International Maritime Organization, IMO | Internationale Organisation für Seeschifffahrt , IMO |
| International maritime signal flag | Flaggenalphabet |
| International maritime signal flags | Flaggenalphabet |
| internationaL market | Weltmarkt |
| International Marxist Group | Gruppe Internationaler Marxisten , GIM |
| International Marxist Tendency | Internationale Marxistische Tendenz |
| International Master | Internationaler Meister |
| international match | Länderspiel |
| international matches | Nationalspiele |
| International Material Data System | IMDS |
| International Mathematical Olympiad | Internationale Mathematik-Olympiade |
| International Mathematical Union | Internationale Mathematische Union |
| International Mathematical Union , IMU | Internationale Mathematische Union , IMU |
| International Men's Day | Weltmännertag |
| International Military Tribunal for the Far East | Tokioter Prozesse |
| International Mineralogical Association | International Mineralogical Association |
| international mobile equipment identity | Internationale Mobilfunkkennung |
| International Mobile Satellite Organization | Inmarsat |
| international mobile subscriber identity | Internationale Mobilfunk-Teilnehmerkennung |
| International Moneta | Internationaler Währungsfonds |
| International Monetary Fund | Internationaler Währungsfond |
| International Monetary Fund, IMF | Internationaler Währungsfonds , IWF |
| international monetary system | internationales Währungssystem |
| international Morse code | Morsealphabet |
| International Mother Language Day | Internationaler Tag der Muttersprache |
| International Motorsports Hall of Fame | International Motorsports Hall of Fame |
| International Music Score Library Project | International Music Score Library Project |
| International Nansen Office for Refugees | Internationales Nansenamt für Flüchtlinge |
| International Narcotics Control Board | Suchtstoffkontrollrat |
| international newsletter | Auslandsbrief |
| International Nomenclature of Cosmetic Ingredients | Internationale Nomenklatur für kosmetische Inhaltsstoffe |
| International Nonproprietary Name | International Nonproprietary Name |
| International Nuclear Event Scale | International Nuclear Event Scale |
| International Nuclear Event Scale , INES | Internationale Bewertungsskala für nukleare Ereignisse |
| international number | internationale Nummer |
| International Obfuscated C Code Contest | International Obfuscated C Code Contest |
| International observance | Internationale Jahre und Dekaden |
| international observers to monitor the elections | internationale Wahlbeobachter |
| International Office | Akademisches Auslandsamt |
| International Olympiad in Informatics | Internationale Informatik-Olympiade |
| International Olympic Committee | Internationales Olympisches Komitee |
| International Olympic Committee , IOC | Internationales Olympisches Komitee , IOK |
| International Opium Convention | Internationale Opiumkonferenz |
| international organisation | Internationale Organisation |
| International Organisation of Good Templars | Guttempler |
| International organization | Internationale Organisation |
| International Organization for Migration | Internationale Organisation für Migration |
| International Organization for Standardization | ISO |
| International Organization of Legal Metrology | Internationale Metrologische Organisation |
| international organizations | internationale Organisationen |
| international orientation | internationale Ausrichtung |
| International Paneuropean Union | Paneuropa-Union |
| International Paralympic Committee | Internationales Paralympisches Komitee |
| International Patent Classification | Internationale Patentklassifikation |
| International Peace Bureau | Bureau International Permanent de la Paix |
| International Peace Prize | Internationaler Friedenspreis |
| international permanent virtual connection | Internationale permanente Verbindung |
| international person | Völkerrechtssubjekt |
| international personality | Völkerrechtssubjektivität |
| International Philosophy Olympiad | Internationale Philosophie-Olympiade |
| International Phonetic Alphabet | Internationales Phonetisches Alphabet |
| international phonetic alphabet , IPA | internationale Lautschrift |
| International Phonetic Association | International Phonetic Association |
| International Physicians for the Prevention of Nuclear War | International Physicians for the Prevention of Nuclear War |
| International Physics Olympiad | Internationale Physikolympiade |
| International Plant Protection Convention | International Plant Protection Convention |
| International Polar Year | Internationales Polarjahr |
| International Police Association | International Police Association |
| international politics | Internationale Politik |
| International Potato Center | Centro Internacional de la Papa |
| International Practical Shooting Confederation | IPSC |
| international prefix | Auslandsvorwählnummer |
| international press | Auslandspresse |
| International Press Telecommunications Council | International Press Telecommunications Council |
| international procurement marketing | internationales Beschaffungsmarketing |
| International Psychoanalytical Association | Internationale Psychoanalytische Vereinigung |
| International Radio and Television Organisation | Organisation Internationale de Radiodiffusion et de Télévision |
| international rate | Auslandstarif |
| international recycling symbol | internationales Recycling-Symbol |
| International Red Aid | Rote Hilfe |
| International Red Cross and Red Crescent Movement | Internationale Rotkreuz- und Rothalbmond-Bewegung |
| International Red Cross, IRC | Internationales Rotes Kreuz , IRK |
| International Refugee Organization | International Refugee Organization |
| International Regulations for Preventing Collisions at Sea | Kollisionsverhütungsregeln |
| international relations | Internationale Beziehungen |
| international relations , IR | internationale Beziehungen |
| International relations theory | Internationale Beziehungen |
| international reply coupon | internationales Antwortschein |
