| Acronym | Definition |
|---|
| OGM | Organismes Génétiquement Modifiés |
| OGM | Organismi Geneticamente Modificati (Italian: Genetically Modified Organism) |
| OGM | Ogg Media (gaming) |
| OGM | Ordinary General Meeting |
| OGM | Oracle Grants Management |
| OGM | Ogg Media File |
| OGM | Outgoing Message |
| OGM | Osteoblast Growth Medium |
| OGM | Organic Growers of Michigan |
| OGM | Organic Growth Media |
| OGM | Oil, Gas and Minerals |
| OGM | Office of General Ministries (United Church of Christ) |
| OGM | Open Geodata Model |
| OGM | Original Madness |
| OGM | Order Guide Management (procurement) |
| OGM | Office of the General Manager |
| OGM | Optical Gateway Manager |
| OGM | Oil and Gas Machinery |
| OGM | Optically-Guided Missile |
| OGM | Old Germanic (linguistics) |
| OGM | Optically-Guided Munition |
| OGM | One-Sided Generalized Markov |
| OGM | O'Grady Mahony (auctioneers; Ireland) |
| OGM | One Giant Media (San Diego, CA) |
