| Internationale Arbeitsorganisation | ILO |
| Internationale Organisation | international organisation |
| Internationale Raumstation | International Space Station |
| Internationale Seeschifffahrts-Organisation | IMO |
| Internationaler Antwortschein | international reply coupon |
| internationale Beziehungen | international relations |
| Wohltätigkeitsorganisation | charity |
| Internationaler Gerichtshof | International Court of Justice |
| Internationaler Währungsfonds | International Monetary Fund |
| Internationales Privatrecht | private international law |
| Non-Profit-Organisation | nonprofit |
| Weltgesundheitsorganisation | World Health Organization |
| Internationale Phonetische Alphabet | International Phonetic Alphabet |
| internationalisieren | internationalize |
| Untergrundorganisation | underground |
| Terrororganisation | terrorist organization |
| Nordatlantische Vertragsorganisation | North Atlantic Treaty Organization |
| Welthandelsorganisation | World Trade Organization |
| Nichtregierungsorganisation | non-governmental organization non-governmental organisation |
| extensionale Definition | extensional definition |