English abbreviations from ietr to ifatca
- IETR (Institut d'Electronique et de Telecommunications de Rennes)
- IETS (International Embryo Transfer Society)
- IETT (Integrating Educational Technology into Teaching)
- IETT-3 (Integrating Educational Technology into Teaching, 3rd Edition)
- IETU (Institute for Ecology of Industrial Areas, Kalowice, Poland)
- IETV (Interoperability Experimentation, Testing, and Validation)
- IETW (Internet Explorer Toolbar Wallpaper)
- IEU (Intermediate Education Unit)
- IEV (Kiev International Airport)
- IEW (Intelligence and Electronic Warfare)
- IEWCOMCAT (Intelligence and Electronic Warfare Character-Oriented Message Catalog)
- IEWCOMDED (Intelligence and Electronic Warfare Character-Oriented Message Data Element Dictionary)
- IEWCS (Integrated Electronic Warfare Common Sensor)
- IEWFA (Intelligence and Electronic Warfare Functional Area)
- IEWS (Integrated Electronic Warfare Suite)
- IEWSE (Intelligence and Electronic Warfare Support Element)
- IEWTD (Intelligence and Electronic Warfare Test Directorate)
- IEWTPT (Intell and Electronic Warfare Tactical Proficiency Trainer)
- IF (Internal Flush tool joint)
- IFA (Iowa Falls Municipal Airport)
- IFAB (International Football Association Board)
- IFAH (International Federation for Animal Health)
- IFAK (individual first aid kit)
- IFAP (International Federation of Agricultural Producers)
- IFAP syndrome (Ichthyosis follicularis)
- IFATCA (International Federation of Air Traffic Controllers' Associations)