EWO
| Acronym | Definition |
|---|---|
| EWO | Education Welfare Officer |
| EWO | Enterprise-Wide Optimization (process systems engineering) |
| EWO | Eyes Wide Open (exhibit) |
| EWO | Emergency War Order |
| EWO | Engineering Work Order |
| EWO | Executive Warrant Officer (Royal Navy; UK) |
| EWO | Easy Way Out |
| EWO | Earnings Withholding Order |
| EWO | Extreme Wrestling Organization |
| EWO | Electronic(s) Warfare Officer (US DoD) |