| Acronym | Definition |
|---|
| ORD | Orders |
| ORD | Ordnance |
| ORD | Chicago, IL, USA - O'Hare International Airport (Airport Code) |
| ORD | Ordinary |
| ORD | Office of Research and Development |
| ORD | Chicago O'Hare International Airport (airport code; Chicago, IL) |
| ORD | Organization(al) Development |
| ORD | Object-Relational Database |
| ORD | Office of Rare Diseases (National Institutes of Health) |
| ORD | Object Relational Database |
| ORD | Operational Requirements Document |
| ORD | Optical Receive Data |
| ORD | Ordinary Seaman |
| ORD | Operational Requirement(s) Document |
| ORD | Office of Rubber Director (US Navy) |
| ORD | Optical Rotatory Dispersion |
| ORD | Operational Readiness Demonstration |
| ORD | Ordnance Data (TMINS) |
| ORD | Office of Research and Demonstrations |
| ORD | Online Resource Directory |
| ORD | Operational Ready Date |
| ORD | Operations Research Department |
| ORD | Operational Readiness Date |
| ORD | Overseas Replacement Depot |
| ORD | Organisation for Rural Development |
| ORD | Owner's Risk of Damage |
| ORD | Optical Rotatory Dispersion Spectroscopy |
| ORD | Often Required Data |
| ORD | Over Rated Defense |
| ORD | Old Orchard Field (now O'Hare International) |