| Acronym | Definition |
|---|
| IAEC | International Address Element Code |
| IAEC | International Association of Elevator Consultants (formerly National Association of Vertical Transportation Professionals) |
| IAEC | Israel Atomic Energy Commission |
| IAEC | Institutional Animal Ethics Committee (India) |
| IAEC | Inter-American Economic Council |
| IAEC | Iowa Association of Electric Cooperatives |
| IAEC | International Atomic Energy Commission |
| IAEC | Indianhead Arts and Education Center (Wisconsin) |
| IAEC | International Academic Education Consortium |
| IAEC | International Alliance of Exhibiting Companies |
| IAEC | Intermediate Automated Electronic Classroom |