| Abbreviation | Definition |
|---|---|
| IEI | Iran Electronics Industries |
| IEICE | Institute of Electronics Information and Communication Engineers |
| IEM | Industrial Electric Manufacturing |
| IEM | Industrial Electric Mfg |
| IEM | International Electronic Machines |
| IEM | Iowa Electronic Markets |
| IEMC | Independent Electronic Musician Collective |
| IEMC | Industrial Electrical Maintenance Certificate |
| IEMI | Intentional Electromagnetic Interference |
| IEN | Institute for Electronics and Nanotechnology |
| IENC | Inland Electronic Navigation Chart |
| IENC | Inland Electronic Navigational Charts |
| IEPE | Integrated Electronic Piezoelectric Excitation |
| IEPE | Integrated Electronics Piezo Electric |
| IEPE | Intelligent Efficient Power Electronics |
| IEPG | Intelligent Electrical Power Grids |
| IEPS | International Electronics Packaging Society |
| IERN | Internal-External Recurrent Neural network |
| IERR | Indian Electronics and Robotics Research Lab |
| IERT | Industrial Electronics and Robotics Technician |