English abbreviations from ora to ore
- ORA (Orán Airport)
- ORACLE (Oak Ridge Automated Computer And Logical Engine)
- ORAU (Oak Ridge Associated Universities)
- ORB (Object Request Broker)
- ORBAT (Order of Battle)
- ORC (Office of Revenue Commissioners)
- ORCA (Optical Rural Community Access)
- OrCAD (Oregon + CAD)
- ORCON (Originator Controlled)
- ORD (O'Hare International Airport in Chicago, Illinois (IATA Airport Code ORD))
- Ord. (Ordo, Ordinatio, Ordinarius ("Order", "Ordination", "Ordinary"))
- ORDA (Open Radar Data Acquisition)
- Ordinaoni. (Ordinationi ("Ordination" dat. case))
- Ordio. (Ordinario ("Ordinary" dat. or abl. case))
- ORDP (United States Army ORDnance Corps Pamphlet)
- Ord. Praem. (Ordo Praemonstratensium (Premonstratensians, Norbertines))
- ORDREF (Order Reference)
- ORDTYP (Order Type)
- ORE (Orléans - Bricy Air Base)