| Acronym | Definition |
|---|
| IECA➣International Erosion Control Association |
| IECA➣Independent Educational Consultants Association |
| IECA➣International Energy Credit Association |
| IECA➣Instituto Español del Cemento y sus Aplicaciones (Madrid, Spain) |
| IECA➣Intercounty Electric Cooperative Association |
| IECA➣Interim External Certificate Authority |
| IECA➣International Electronic Communication Analysts, Inc. (incorporated in 1996) |
| IECA➣Instituto Educacional Castro Alves |
| IECA➣Reformed Evangelical Church of Angola |
| IECA➣Inhibidor del Enzima Conversor de la Angiotensina (Spanish: Angiotensin Converter Enzyme Inhibitor) |
| IECA➣Information, Education and Communication Advocacy (reproductive health) |