OGI
| 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 |