| Abbreviation | Definition |
|---|---|
| EPPR | Emergency Prevention Preparedness and Response |
| EPS | Environmental Priority Strategies |
| EPU | Ever Populated Unlimited |
| EPW | Environment and Public Works (Committee) |
| EPZ | Export Processing Zone |
| EPZA | Export Processing Zone Authority |
| EQAS | External Quality Assurance Service |
| ER | Emergency Response |
| ER | Enslaved Race |
| ER | Extended Resolution |
| ERA | Employee Recognition and Awards |
| ERA | Entering Restricted Area |
| ERA | Evaluation Report for Assessment |
| ERAS | Electronic Residency Application Service |
| ERB | Economic Research Bureau |
| ERC | Emergency Response Coordinator |
| ERC | Evaluation Research Corporation |
| EREC | Early Resolution of EEO Complaints |
| ERIC | Education Resources Information Center |
| ERIC | Educational Resources Information Center |