| Acronym | Definition |
|---|
| OGA➣Office of the General Assembly |
| OGA➣Office Genuine Advantage (Microsoft) |
| OGA➣Ogallala, Nebraska (airport code) |
| OGA➣Ordinary General Assembly (various organizations) |
| OGA➣Ontwikkelingsbedrijf (Dutch) |
| OGA➣Office Genuine Advantage |
| OGA➣Other Government Agency |
| OGA➣Oregon Gymnastics Academy (Beaverton, OR) |
| OGA➣Online Gaming Alliance |
| OGA➣Open Graded Asphalt (surfacing material) |
| OGA➣Ontario Gerontology Association (Ontario, Canada) |
| OGA➣Obstetrical & Gynecological Associates (various locations) |
| OGA➣Oracle Grants Accounting (financial software) |
| OGA➣Oil and Gas Advisory (publication) |
| OGA➣Outer Gimbal Angle |
| OGA➣Outer Gimbal Axis (US NASA) |
| OGA➣Old Growth Area (land management) |
| OGA➣Online Gaming Addicts (gaming clan) |
| OGA➣Organismos Georgikon Asfaliseon (Greek Agriculture Social Security) |
| OGA➣Original Game Audio |
| OGA➣Online Gamers Association |
| OGA➣Orthogonal Greedy Algorithm |
| OGA➣Organized Grab Ass |
| OGA➣Österreichische Gesellschaft für Angiologie (Austrian Society of Angiology) |