| Acronym | Definition |
|---|
| IIEA➣Institute of International and European Affairs (Dublin, Ireland) |
| IIEA➣International Institute for Ecological Agriculture (Santa Cruz, CA) |
| IIEA➣International Intelligence Ethics Association (Washington, DC) |
| IIEA➣Irish Institute of European Affairs (Dublin, Ireland) |
| IIEA➣International Intercollegiate Equestrian Association (now International Student Riding Association; Armonk, NY) |
| IIEA➣Institute of Industrial Engineers Australia |