| Acronym | Definition |
|---|
| IAET | International Association for Engineering and Technology |
| IAET | Improperly Accumulated Earnings Tax |
| IAET | International Association for Enterostomal Therapy |
| IAET | Italian American Executives of Transportation |
| IAET | Inter-Agency Emergency Telecommunications |
| IAET | International Association of Ethics Trainers |
| IAET | Instituto Argentino de Economía y Turismo |
| IAET | Industrial Automation Engineering Technology (ITT Technical Institute) |
| IAET | Instructor Aeromedical Evacuation Technician |
| IAET | Institute of Aeronautical Engineering and Technology |
| IAET | Institut für Angewandte Elektrotechnik und Technikdidaktik |
| IAET | Instituto de Altos Estudios en Traducción (Spanish: Institute of Higher Studies in Translation; Lima, Peru) |
| IAET | Institutional Advancement & Effectiveness Team |
| IAET | Institute of Aviation Engineering and Technology (Cairo, Egypt) |