| Acronym | Definition |
|---|
| OMM➣Organisation Météorologique Mondiale (French: World Meteorological Organization) |
| OMM➣Oblivion Mod Manager (gaming software) |
| OMM➣Organización Meteorológica Mundial (Spanish: World Meteorological Organization) |
| OMM➣On My Mama |
| OMM➣Organizzazione Meteorologica Mondiale |
| OMM➣Osteopathic Manipulative Medicine |
| OMM➣One Minute Manager (business book) |
| OMM➣Output Message Manual |
| OMM➣One Million Moms |
| OMM➣Original Mountain Marathon (UK) |
| OMM➣Open Minded Music (est. 2003; UK) |
| OMM➣Osaka Merchandise Mart (Osaka, Japan) |
| OMM➣Online Marketing Management |
| OMM➣Order of Military Merit |
| OMM➣Old Man Murray (website) |
| OMM➣Osteopathic Manual Medicine |
| OMM➣Orange Mountain Music (record company; New York, NY) |
| OMM➣Old Man Mike |
| OMM➣Online Macromolecular Museum |
| OMM➣Operation and Maintenance Manual |
| OMM➣Other Makes & Models |
| OMM➣Officer of the Order of Military Merit |
| OMM➣Orbiter Major Modification (NASA) |
| OMM➣O'Melveny and Myers (law firm) |
| OMM➣Offshore Minerals Management Program |
| OMM➣On My Machine |
| OMM➣One Minute Movie (Sundial Film Festival) |
| OMM➣Overlord Mata Muram (gaming, Everquest) |
| OMM➣Optical Micro-Machines, Inc. |
| OMM➣Operation, Maintenance, and Monitoring (project management) |
| OMM➣Operations and Materials Management |
| OMM➣Officer Messenger Mail (US Navy) |
| OMM➣Over Mint-Mark |
| OMM➣Operational Maturity Model |
| OMM➣Orbiter Maintenance and Modification (NASA) |
| OMM➣Orthogonal Multipulse Modulation |
| OMM➣Open Mediation Manager |
| OMM➣Officer Mobilization Model |
| OMM➣Organizational Maintenance Manual |
| OMM➣Office for Mere Mortals (Microsoft Office) |
| OMM➣Orbital Maintenance Mission |
| OMM➣One Man Mafia (online game) |
| OMM➣Organizational Mastery Methodology (Stanford Advanced Project Management) |
| OMM➣On-board Mission Management |
| OMM➣Online Maintenance Management Portal (IBM) |
| OMM➣Outgoing Message Manager |
| OMM➣Operations Management Meeting |
| OMM➣Outbound Message Manager |
| OMM➣Optical Media Module |
| OMM➣Open Music Model |