| OMEGA | Office of the MAP Experiment General Archive 
| Others |
| OMEGA | Offshore Membrane Enclosures for Growing Algae
| Others |
| OMEGA | Open Multi Environment Grid Adapter
| Others |
| OMEGA | Ops Monitor and Efficiency Gap Analyzer
| Others |
| OMEGA | Optimal Modular Efficient Global Advanced
| Others |
| OMEGA | Organisation Of Malay Ex Gangsters And Addicts
| Others |
| OMEGA | Organization Of Modern Extreme Grappling Artists
| Others |