English abbreviations from ium to ivda
- IUM (Summit Lake Airport)
- IUN (Indiana University Northwest)
- IUNA (Instituto Universitario Nacional del Arte)
- IUO (Inquire Users Object)
- IUP (Installed User Program)
- IUPAC (International Union of Pure and Applied Chemistry (pronounced "eye-yoo-pac"))
- IUPG (Idaho Universities Policy Group)
- IUPUI (Indiana University Purdue University Indianapolis)
- IUR (Isotropic Uniform Random)
- IUS (Inus Airport)
- IUSO (Internet User Supporting Organisation)
- IUSS (Integrated Undersea Surveillance System)
- IUT (Implementation Under Test)
- IUVV (Institut Universitaire de la Vigne et du Vin)
- IUW (Inshore Undersea Warfare)
- IUWG (Inshore Undersea Warfare Group)
- IV (Intravenous)
- IV&V (Independent Verification and Validation)
- IVA (Ambanja Airport)
- IVC (Invercargill Airport)
- IVCA (International Visual Communications Association)
- IVCC (Illinois Valley Community College)
- IVD (Internet Video Device, intra vas device)
- IVDA (International Voice Dialogue Agreement)