| Acronym | Definition |
|---|
| OMEGA | Offshore Membrane Enclosures for Growing Algae (US NASA) |
| OMEGA | Observatoire pour la Minéralogie, l'Eau, les Glaces et l'Activité (French) |
| OMEGA | Organización de Mujeres Empresarias y Gerencia Activa |
| OMEGA | Operational Multiscale Environment model with Grid Adaptivity |
| OMEGA | Ohio Mid-Eastern Governments Association |
| OMEGA | Coroner or Medical Examiner (California Highway Patrol) |
| OMEGA | Options Making Extra Gains from Actinides (Japanese scientific program) |
| OMEGA | Optimized Method for Estimated Guidance Accuracy VLF Navigation System |
| OMEGA | Organisation of Modern Extreme Grappling Artists |
| OMEGA | On-Line Management of Enrollment and Grades Administration |
| OMEGA | Office of the Map Experiment General Archive |