| Acronym | Definition |
|---|
| EWR | Newark (Amtrak station code; Newark, NJ) |
| EWR | Europäischer Wirtschaftsraum (German: European Marketing Area) |
| EWR | Early Warning Radar |
| EWR | Early Warning Report |
| EWR | Newark, NJ, USA - Newark International Airport (Airport Code) |
| EWR | Electricity at Work Regulations (UK) |
| EWR | Engineering Work Request (telecommunications, engineering) |
| EWR | Echills Wood Railway (UK) |
| EWR | Electronic Warfare Range |
| EWR | Extreme Warfare Revenge (game) |
| EWR | Eastern Western Range |
| EWR | Early Work Release |
| EWR | Electromagnetic Wave Resistivity |
| EWR | Environmental Waste Report |