| Internal Revenue | staatsbelastinginkomsten |
| Internal waters | Binnenwater |
| internal-combustion engine | verbrandingsmotor |
| international | internationaal |
| 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 Air Transport Association airport code | IATA luchthaven code |
| International Alphabet of Sanskrit Transliteration | IAST |
| 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 Astronomical Union | Internationale Astronomische Unie |
| International Astronomical Youth Camp | IAYC |
| International Atomic Energy Agency | Internationaal Atoomenergie Agentschap |
| International Baccalaureate | International Baccalaureate |
| International Baccalaureate Organization | International Baccalaureate |
| International Bank Account Number | International Bank Account Number |
| International Bank for Reconstruction and Development | Wereldbank |
| International Baseball Federation | IBAF |
| International Basketball Federation | FIBA |
| International Bible Students Association | Bijbelonderzoekers |
| International Biology Olympiad | Biologie-olympiade |
| International Brigades | Internationale Brigades |
| International Bureau of Weights and Measures | Bureau International des Poids et Mesures |
| International Business Machines | IBM |
| International Campaign to Ban Landmines | ICBL |
| International Chemistry Olympiad | Internationale Scheikundeolympiade |
| International Church of the Foursquare Gospel | Church of the Four Square Gospel |
| International Civil Aviation Organization | International Civil Aviation Organization |
| International Civil Aviation Organization airport code | ICAO-code |
| International Classification of Diseases for Oncology | International Classification of Diseases for Oncology |
| International Code of Botanical Nomenclature | Botanische nomenclatuur |
| International Code of Nomenclature for Cultivated Plants | ICNCP |
| International Code of Nomenclature of Bacteria | Stuklijst |
| International Code of Zoological Nomenclature | Zoölogische nomenclatuur |
| International Color Consortium | International Color Consortium |
| International Commission for the Protection of the Danube River | Internationale Commissie ter Bescherming van de Donau |
| International Commission on Stratigraphy | International Commission on Stratigraphy |
| International Committee of the Fourth International | Vierde Internationale |
| International Committee of the Red Cross | Rode Kruis |
| International community | Internationale gemeenschap |
| International Confederation of Free Trade Unions | Internationaal Verbond van Vrije Vakverenigingen |
| International Congress of Mathematicians | Internationaal Wiskundecongres |
| International Convention for the Safety of Life at Sea | SOLAS |
| International Correspondence Chess Federation | International Correspondence Chess Federation |
| International Council on Monuments and Sites | ICOMOS |
| International Court of Justice | Internationaal Gerechtshof |
| International Covenant on Civil and Political Rights | Internationaal Verdrag inzake Burgerrechten en Politieke Rechten |
| International Cricket Council | ICC |
| International Criminal Court | Internationaal Strafhof |
| International criminal law | Internationaal strafrecht |
| International Criminal Tribunal for Rwanda | Rwanda-tribunaal |
| International Criminal Tribunal for the former Yugoslavia | Joegoslavië-tribunaal |
| International Cup | Wereldbeker voetbal |
| International Date Line | Internationale datumgrens |
| International Day for the Eradication of Poverty | Internationale dag voor de uitroeiing van armoede |
| International Day of Peace | Internationale Dag van de Vrede |
| International Documentary Film Festival Amsterdam | International Documentary Filmfestival Amsterdam |
| International Documentary Filmfestival Amsterdam | International Documentary Filmfestival Amsterdam |
| International Earth Rotation and Reference Systems Service | Schrikkelseconde |
| International Electrotechnical Commission | International Electrotechnical Commission |
| International Energy Agency | Internationaal Energie Agentschap |
| International English | Internationaal Engels |
| International express | D-trein |
| International express train | D-trein |
| International Federation for Equestrian Sports | Fédération Equestre Internationale |
| International Federation of Liberal Youth | IFLRY |
| International Federation of Red Cross and Red Crescent Societies | Rode Kruis |
| International Fellowship of Reconciliation | International Fellowship of Reconciliation |
| International Finance Centre | Two International Financial Centre |
| International Financial Reporting Standards | International Financial Reporting Standards |
| International Flavors and Fragrances | International Flavors and Fragrances |
