| Acronym | Definition |
|---|
| E&R➣Engineering and Repair (US Navy) |
| E&R➣Education and Research |
| E&R➣Energy & Resources |
| E&R➣Evasion and Recovery (US DoD) |
| E&R➣Environmental & Regulatory (various companies) |
| E&R➣Ede and Ravenscroft (UK) |
| E&R➣Evidence & Reports (Canada) |
| E&R➣Evangelisatie en Recreatie (Dutch: Evangelism and Recreation; church) |
| E&R➣Exchange & Repair (FAA) |
| E&R➣Escape and Resistance |