| Acronym | Definition | 
|---|
| IEC➣International Electrotechnical Commission | 
| IEC➣Independent Electrical Contractors | 
| IEC➣International Engineering Consortium | 
| IEC➣Information, Education, and Communication | 
| IEC➣Institut d'Estudis Catalans (Barcelona, Spain) | 
| IEC➣Intestinal Epithelial Cell | 
| IEC➣Independent Electoral Commission (South Africa) | 
| IEC➣International Electrotechnical Committee (Geneve, Switzerland) | 
| IEC➣International Education Centre (various locations) | 
| IEC➣International Egg Commission | 
| IEC➣International Eucharistic Congress (Ireland) | 
| IEC➣International Education Consultancy (various locations) | 
| IEC➣International Economic Cooperation (China) | 
| IEC➣International Education Corporation (training; Irvine, CA) | 
| IEC➣International Electronics Commission | 
| IEC➣Inter Exchange Carrier | 
| IEC➣Invalid Escape Character | 
| IEC➣Internet Exchange Centers | 
| IEC➣Incoming Error Count | 
| IEC➣Informational Exception Control | 
| IEC➣Instituto de Estudos da Criança (Portuguese: Institute of Child Studies) | 
| IEC➣Interlayer Exchange Coupling | 
| IEC➣International English Centre (various locations) | 
| IEC➣Ion Exchange Chromatography | 
| IEC➣Independent Ethics Committee | 
| IEC➣Infrastructure Engineering Corporation (California) | 
| IEC➣Interexchange Carrier | 
| IEC➣International Education Conference | 
| IEC➣Inertial Electrostatic Confinement | 
| IEC➣International Executive Committee | 
| IEC➣Israel Electric Company | 
| IEC➣Individual Expenditure Ceiling (San Francisco Ethics Commission; San Francisco, CA) | 
| IEC➣Importer Exporter Code | 
| IEC➣Interstate Electronics Corporation | 
| IEC➣Interactive Evolutionary Computation | 
| IEC➣Ion-Exchange Capacity | 
| IEC➣Internet Empowered Consumer | 
| IEC➣International Ethological Conference | 
| IEC➣Iowa Events Center (Des Moines, IA) | 
| IEC➣Institutional Ethics Committee | 
| IEC➣International Editorial Council | 
| IEC➣Industrial Electrical Contractors, LLC (Bowling Green, KY) | 
| IEC➣International Electromechanical Commission | 
| IEC➣Import Export Code | 
| IEC➣International Extension College | 
| IEC➣Instituto de Estudios Cubanos (Spanish: Institute of Cuban Studies) | 
| IEC➣Institute for Economic Competitiveness (University of Central Florida) | 
| IEC➣Industrial Economics Inc (Cambridge, MA) | 
| IEC➣Interoperability Executive Customer Council (Microsoft) | 
| IEC➣Interdisciplinary Early Childhood (Kentucky) | 
| IEC➣Iowa Egg Council (est. 1973; Urbandale, IA) | 
| IEC➣Integrated Exploitation Capability | 
| IEC➣International Evangelical Church | 
| IEC➣Information, Education and Counseling | 
| IEC➣Israel Emergency Campaign | 
| IEC➣Islamic Educational Center | 
| IEC➣Integrated Electronic Control | 
| IEC➣Interamerican Ethanol Commission | 
| IEC➣Indian Employment Credit (taxes) | 
| IEC➣Immediate Environmental Concern (New Jersey Department of Environmental Protection) | 
| IEC➣Ingeniero En Electronica Y Comunicaciones (Mexico) | 
| IEC➣Industrial Ecology Center | 
| IEC➣Intelligence Evaluation Committee | 
| IEC➣Immediate Event Charging | 
| IEC➣Initial Emulsion Content (asphalt) | 
| IEC➣Incoming Error Count (BNR) | 
| IEC➣Institute for Catalysis in Energy Processes (Northwestern University; Illinois) | 
| IEC➣Integration and Evaluation Center | 
| IEC➣Institute of Employment Consultants (UK) | 
| IEC➣Infused Emitter Coupling | 
| IEC➣Integrated Engine Control | 
| IEC➣Item Entry Control | 
| IEC➣Indiana Endoscopy Center | 
| IEC➣Imani Education Circle Charter School (Philadelphia, PA) | 
| IEC➣Ignition and Excitation Circuit | 
| IEC➣International Exchange Commission | 
| IEC➣International Ethanol Commission (Brazil) | 
| IEC➣Indianapolis Endoscopy Center | 
| IEC➣Incremental Enabling Capability | 
| IEC➣ISDN Echo Canceler | 
| IEC➣Independent Exchange Carrier | 
| IEC➣Imagen y Estética Corporal (Spanish: Body Image and Beauty; spa; Guatemala) | 
| IEC➣Isipingo Environment Committee (South Africa) |