| Acronym | Definition |
|---|
| OOM | Out of Memory |
| OOM | Order of Melchizedek |
| OOM | Object Oriented Method |
| OOM | Object Oriented Middleware |
| OOM | Object Oriented Manager |
| OOM | Object Oriented Modeling |
| OOM | Oracle Order Management |
| OOM | Orientated Office Model |
| OOM | Outlook Object Model |
| OOM | Open Office Master Document |
| OOM | Out Of Mana (Everquest) |
| OOM | Out of Mana (gaming) |
| OOM | Order of Merit (police) |
| OOM | Order Of Magnitude |
| OOM | Out of Mind (gaming, Red Vs. Blue) |
| OOM | Object-Oriented Modeling |
| OOM | Out Of Money |
| OOM | Cooma, New South Wales, Australia (Airport Code) |
| OOM | Object-Oriented Methods |
| OOM | Omron Oilfield and Marine (Houston, TX) |
| OOM | Orchester Osnabrücker Musikfreunde (German: Friends of Music Orchestra Osnabrück; Osnabrück, Germany) |
| OOM | Office of the Mayor |
| OOM | One-to-One Marketing |
| OOM | Orbicularis Oculi Muscle |
| OOM | Out of Material |
| OOM | Optimized Online Media |
| OOM | Order of Movement |
| OOM | Oil Offshore Marine |
| OOM | Oil of Milk (solution used by magicians) |
| OOM | Olympics of the Mind (academia) |
| OOM | On-Orbit Maintenance |
| OOM | Open Ocean Missiles |
| OOM | Order of the Myths (Mobile, AL) |
| OOM | Online Order Management |