English abbreviations from omma to omw
- OMMA (Online Media Marketing and Advertising)
- OMN (Oman (ISO 3166 trigram))
- Omn. (Omnes, Omnibus ("All", "to all"))
- OMNCS (U.S. Office of the Manager for the National Communications System)
- OMNI (One Model, Numerous Identities)
- OMNR (Operations and Maintenance, Navy Reserve)
- OMO (Mostar International Airport)
- OMP (Order of Mapungubwe in Platinum)
- OMPF (Official Military Personnel File)
- OMQ (One Man's Quest)
- OMR (Omani rial (ISO 4217 currency code))
- OMRF (Oklahoma Medical Research Foundation)
- OMRL (Oriented Micro-Resistivity Log)
- OMS (Order of Mapungubwe in Silver)
- OMS. (Omnes ("All"))
- OMT (Object Model Template)
- OMU (Online Manga University)
- OMV (Oh Muttererde, Vaterland ( German: Oh Mother Earth))
- OMVPE (Organo-Metallic Vapor Phase Epitaxy)
- OMW (On My Way, Oh My Word)
