| Acronym | Definition |
|---|
| EDO | Extended Data Out (RAM) |
| EDO | Eating Disorder |
| EDO | Engineering Distributed Object |
| EDO | Event Delivery Object |
| EDO | Extended Data Output |
| EDO | Executive District Officer (Pakistan) |
| EDO | Economic Development Officer |
| EDO | Extended Duration Orbiter |
| EDO | Extra Day(s) Off |
| EDO | Engineering Duty Officer |
| EDO | Eastern District Office (various organizations) |
| EDO | Electronic Door Opener (various companies) |
| EDO | Electronic Distribution Only (US Marine Corps) |
| EDO | Education Development Officer (job title) |
| EDO | Earned Day Off (Canadian federal government) |
| EDO | Enlisted Dining Out (US Air Force) |
| EDO | Écurie de Dressage Orbecoise (French equestrian association) |
| EDO | Ethadione (medication) |
| EDO | Education Development Organization |
| EDO | Estate Duty Office (United Kingdom) |
| EDO | Emergency Detention Order (court order for mental health evaluation) |
| EDO | Engineering Duty Only (US Navy) |
| EDO | Engineering Data Center |
| EDO | Employer Deduction Order |
| EDO | Earl Dodge Osborne (EDO Corporation) |
| EDO | Electric Drive Option |
| EDO | Environmental Development Office |
| EDO | Expeditionary Decisive Operations |
| EDO | Engineering Design Outsourcing |
| EDO | Exploratory Development Objective |