| internaat | boarding school |
| Internacia Katolika Unuiĝo Esperantista | International Union of Catholic Esperantists |
| internationaal | long-distance |
| Internationaal Atoomenergie Agentschap | International Atomic Energy Agency |
| Internationaal Energie Agentschap | International Energy Agency |
| Internationaal Engels | International English |
| Internationaal filmfestival van Karlsbad | Karlovy Vary International Film Festival |
| Internationaal filmfestival van Toronto | Toronto International Film Festival |
| Internationaal Fonds voor Landbouwontwikkeling | International Fund for Agricultural Development |
| Internationaal Fonetisch Alfabet | International Phonetic Alphabet |
| Internationaal Frederick Chopin Piano Concours | International Frederick Chopin Piano Competition |
| Internationaal Gaudeamus Vertolkers Concours | Gaudeamus International Composers Award |
| Internationaal Gerechtshof | International Court of Justice |
| Internationaal Instituut voor de Portugese taal | International Portuguese Language Institute |
| Internationaal Instituut voor Fysica en Chemie | Solvay Conference |
| Internationaal Instituut voor Sociale Geschiedenis | International Institute of Social History |
| Internationaal Jongerencongres | International Youth Congress of Esperanto |
| Internationaal Monetair Fonds | International Monetary Fund |
| Internationaal Olympisch Comité | International Olympic Committee |
| Internationaal privaatrecht | Conflict of laws |
| Internationaal ruimtestation ISS | International Space Station |
| Internationaal Seminarie | Internacia Seminario |
| Internationaal Sociaal Survey Programma | International Social Survey Programme |
| Internationaal Standaard Audiovisueel Nummer | International Standard Audiovisual Number |
| Internationaal Standaard Boeknummer | International Standard Book Number |
| Internationaal Strafhof | International Criminal Court |
| Internationaal strafrecht | International criminal law |
| internationaal telefoongesprek | long-distance call |
| Internationaal Toegankelijkheidssymbool | International Symbol of Access |
| Internationaal Vakverbond | International Trade Union Confederation |
| Internationaal Verbond van Vrije Vakverenigingen | International Confederation of Free Trade Unions |
| Internationaal Verdrag betreffende de Status van Vluchtelingen | Convention Relating to the Status of Refugees |
| Internationaal Verdrag inzake Burgerrechten en Politieke Rechten | International Covenant on Civil and Political Rights |
| Internationaal Wegcriterium | Critérium International |
| Internationaal Wiskundecongres | International Congress of Mathematicians |
| International Accounting Standards Committee | International Accounting Standards Committee |
| International Agency for research on Cancer | International Agency for Research on Cancer |
| International Air Transport Association | International Air Transport Association |
| International Amateur Radio Union | International Amateur Radio Union |
| International Association of Athletics Federations | International Association of Athletics Federations |
| International Association of Lighthouse Authorities | International Association of Lighthouse Authorities |
| International Association of Nitrox and Technical Divers | International Association of Nitrox and Technical Divers |
| International Baccalaureate | International Baccalaureate |
| International Bank Account Number | International Bank Account Number |
| International Civil Aviation Organization | International Civil Aviation Organization |
| International Classification of Diseases for Oncology | International Classification of Diseases for Oncology |
| International Color Consortium | International Color Consortium |
| International Commission on Stratigraphy | International Commission on Stratigraphy |
| International Correspondence Chess Federation | International Correspondence Chess Federation |
| International Documentary Filmfestival Amsterdam | International Documentary Film Festival Amsterdam |
| International Electrotechnical Commission | International Electrotechnical Commission |
| International Fellowship of Reconciliation | International Fellowship of Reconciliation |
| International Financial Reporting Standards | International Financial Reporting Standards |
| International Flavors and Fragrances | International Flavors and Fragrances |
| International Freedom of Expression Exchange | International Freedom of Expression Exchange |
| International Hydrographic Organization | International Hydrographic Organization |
| International League | International League |
| International Linear Collider | International Linear Collider |
| International Maritime Organization | International Maritime Organization |
| International Masonic Union Catena | International Masonic Union Catena |
| International Music Score Library Project | International Music Score Library Project |
| International Nomenclature of Cosmetic Ingredients | International Nomenclature of Cosmetic Ingredients |
| International Nonproprietary Name | International Nonproprietary Name |
| International Normalized Ratio | Prothrombin time |
| International Organization for Standardization | International Organization for Standardization |
| International Plant Names Index | IPNI |
| International Police Association | International Police Association |
| International Press Telecommunications Council | International Press Telecommunications Council |
| International Scout and Guide Fellowship | International Scout and Guide Fellowship |
| International Security Assistance Force | International Security Assistance Force |
| International Six Days Enduro | International Six Days Enduro |
| International Somalia Contact Group | International Somalia Contact Group |
| International Statistical Classification of Diseases and Related Health Problems | ICD |
| International Student Identity Card | International Student Identity Card |
| International Taekwondo Federation | International Taekwondo Federation |
| International Tennis Federation | International Tennis Federation |
| International Union for Conservation of Nature and Natural Resources | World Conservation Union |
| International Union of Geological Sciences | International Union of Geological Sciences |
| International Union of Socialist Youth | International Union of Socialist Youth |
| International Virtual Aviation Organization | International Virtual Aviation Organization |
| Internationale | The Internationale |
| Internationale Arbeidsorganisatie | International Labour Organization |
| Internationale Astronomische Unie | International Astronomical Union |
| Internationale Automobilausstellung | Frankfurt Motor Show |
| Internationale Brigades | International Brigades |
| Internationale Commissie ter Bescherming van de Donau | International Commission for the Protection of the Danube River |
| Internationale conventie te Algeciras | Algeciras Conference |
| Internationale Dag van de Vrede | International Day of Peace |
| Internationale dag voor de uitroeiing van armoede | International Day for the Eradication of Poverty |
| Internationale datumgrens | International Date Line |
| Internationale Eenheid | International unit |
| Internationale Fysica Olympiade | International Physics Olympiad |
| Internationale Gaudeamus Muziekweek | Gaudeamus International Interpreters Award |
| Internationale gemeenschap | International community |
| Internationale IJshockey Federatie | International Ice Hockey Federation |
| Internationale Karelsprijs Aken | Karlspreis |
| Internationale Liga van Religieus-Socialisten | International League of Religious Socialists |
| Internationale Luchthaven Antwerpen | Antwerp International Airport |
| Internationale Luchthaven Barcelona | Barcelona International Airport |
| Internationale Luchthaven Benito Juárez | Mexico City International Airport |
| Internationale luchthaven Boston | Logan International Airport |
| Internationale Luchthaven Changi | Singapore Changi Airport |
| Internationale Luchthaven Chiang Mai | Chiang Mai International Airport |
| Internationale Luchthaven Chiang Rai | Chiang Rai International Airport |
| Internationale Luchthaven Don Miguel Hidalgo y Costilla | Don Miguel Hidalgo y Costilla International Airport |
| Internationale Luchthaven Don Muang | Don Mueang International Airport |
| Internationale Luchthaven Generaal Mariano Escobedo | General Mariano Escobedo International Airport |
| Internationale Luchthaven Hat Yai | Hat Yai International Airport |
| Internationale Luchthaven Kansai | Kansai International Airport |
| Internationale Luchthaven Minangkabau | Minangkabau International Airport |
| Internationale Luchthaven Phuket | Phuket International Airport |
| Internationale Luchthaven Soekarno-Hatta | Soekarno-Hatta International Airport |
| Internationale Luchthaven Surat Thani | Surat Thani Airport |
| Internationale Luchthaven Suvarnabhumi | Suvarnabhumi Airport |
| Internationale Luchthaven Tan Son Nhat | Tan Son Nhat International Airport |
| Internationale Luchthaven van Cancún | Cancún International Airport |
| Internationale Medienhilfe | Internationale Medienhilfe |
| Internationale organisatie | International organization |
| Internationale Organisatie voor Migratie | International Organization for Migration |
| Internationale Organisatie voor Standaardisatie | International Organization for Standardization |
| Internationale Organisatie voor Standardisatie | International Organization for Standardization |
| Internationale Oriëntatieloop Federatie | International Orienteering Federation |
| Internationale praat als een piraat dag | International Talk Like a Pirate Day |
| Internationale Schaatsunie | International Skating Union |
| Internationale Scheikundeolympiade | International Chemistry Olympiad |
| Internationale school | International school |
| Internationale Soefi Beweging | Sufi Order International |
| Internationale Stijl | International style |
| Internationale Telecommunicatie-unie | International Telecommunication Union |
| Internationale toegangscode | List of international call prefixes |
| Internationale Tsjaikovskiwedstrijd | International Tchaikovsky Competition |
| Internationale volksdans | List of dances sorted by ethnicity |
| Internationale Walvisvaartcommissie | International Whaling Commission |
| Internationale Wielerunie | Union Cycliste Internationale |
| Internationale Wielerweek | Settimana internazionale di Coppi e Bartali |
| Internationale Wiskunde Olympiade | International Mathematical Olympiad |
| Internationale Wiskundige Unie | International Mathematical Union |
| Internationale wolkenclassificatie | List of cloud types |
| internationaliseren | internationalize |
