| Acronym | Definition |
|---|
| OGI➣Oregon Graduate Institute |
| OGI➣Ola Grimsby Institute |
| OGI➣Oil and Gas International (online petroleum industry news) |
| OGI➣Office of Geographic Information |
| OGI➣Orchestra Giovanile Italiana (Italian: Italian Youth Orchestra) |
| OGI➣Orthopedic Group, Inc. (Rhode Island and Massachusetts) |
| OGI➣Overlapping Global Interval |