English abbreviations from oef to oer
- OEF (Open ECDIS Forum)
- OEG (Occluded Eye Gunsight (a type of Collimator sight))
- OEH (Organización de Estados Iberoamericanos para la Educación)
- OEI (Obesity Education Initiative)
- OEIC (OptoElectronic Integrated Circuit)
- OEIE (Organización de Estados Iberoamericanos para la Educación)
- OEIS (On-Line Encyclopedia of Integer Sequences)
- OEJ (Oklahoma Writing Project)
- OEL (Oryol Yuzhny Airport)
- OEM (Original Equipment Manufacturer)
- OEMT (Opto-Electric Measuring Transducer)
- OEN (Old English Newsletter)
- OEO (optical and electro-optical)
- OEP (Outdoor Education Program)
- OEPAF (Odessa Emergency Providers Achievement Fund)
- OEQ (Open Ended Question)
- OER (Örnsköldsvik Airport)