Deutsch Abkürzungen von iup bis ivad
- IUP (Intra-Uterin-Pessar)
- IUPA (International Union of Practitioners in Advertising)
- IUPAC (International Union of Pure and Applied Chemistry)
- IUPAP (International Union of Pure and Applied Physics)
- IUPN (International Union for the Protection of Nature)
- IUR (International Union of Railways)
- IURIS (juristisches Informationssystem)
- IUS (International Union of Students)
- IUSDE (Internationale Union Sozialdemokratischer Erzieher)
- IUSP (International Union of Scientific Psychology)
- IUSY (International Union of Socialist Youth)
- IUT (International Union of Telecommunications)
- IUTAM (International Union of Theoretical and Applied Mechanics)
- IUVSTA (International Union for Vacuum Science, Technique and Applications)
- IUYCD (International Union of Young Christian Democrats)
- IV (Industriellenvereinigung)
- i.v. (intravenös)
- i. V. (in Vollmacht)
- IVA (Industrieverband Agrar)
- IVAD (Industrieverband Anorganische Dämmstoffe)