| Acronym | Definition |
|---|
| I&E | Information and Education |
| I&E | Installations and Environment (US DoD) |
| I&E | Income & Expense |
| I&E | Infrastructure and Environment (various organizations) |
| I&E | Inspection and Evaluation |
| I&E | Inform and Empower |
| I&E | Investigations and Evaluations |
| I&E | Intervention and Enrichment (education) |
| I&E | Instrumentation & Electrical |
| I&E | Individual and Ensemble (performing arts competitions) |
| I&E | Integration & Evaluation |
| I&E | Inspiration & Encouragement |
| I&E | Interrogation and Exploitation |
| I&E | Inlets and Exhausts (aircraft) |
| I&E | Investigational and Experimental (medical category) |