| Acronym | Definition |
|---|
| ROM | Read-Only Memory |
| ROM | Rome (Amtrak station code; Rome, NY) |
| ROM | Romania |
| ROM | Romans |
| ROM | Range Of Motion |
| ROM | Romanian (language) |
| ROM | Range of Movement |
| ROM | Right on the Money |
| ROM | Record of Materials (construction) |
| ROM | Royal Ontario Museum (Canada) |
| ROM | Rest of Market |
| ROM | Runes of Magic (gaming) |
| ROM | Run of Mine |
| ROM | Return of the Member (credit union evaluation) |
| ROM | Risk of Mortality |
| ROM | Run of the Mill |
| ROM | Rough Order of Magnitude (estimate) |
| ROM | Ring Opening Metathesis |
| ROM | Return on Marketing |
| ROM | Rivers of Mud |
| ROM | Rupture Of Membrane |
| ROM | Rookie of the Month (various sports) |
| ROM | Register of Merit (title in animal shows) |
| ROM | Recycled Organic Material (agriculture) |
| ROM | Random Oracle Model (cryptography) |
| ROM | Read Only Memory |
| ROM | Risk and Opportunity Management (various locations) |
| ROM | Rome, Italy - Leonardo Da Vinci / Fiumicino (Airport Code) |
| ROM | Remote Operations Manager (software) |
| ROM | Restriction of Movement |
| ROM | Radio Organisatioun Medernach (Luxembourg radio station) |
| ROM | Return On Management |
| ROM | Register Of Marriage |
| ROM | Regional Oxidant Model |
| ROM | Results-Oriented Monitoring (EU) |
| ROM | Record of Merit |
| ROM | Result Oriented Management (management system) |
| ROM | Routine Outcome Measurement (mental health) |
| ROM | Refuel On the Move |
| ROM | Rio Algom, Ltd. (Canada) |
| ROM | Read Only Message |
| ROM | Repair Operations Manual (Jaguar) |
| ROM | Regional Office Manager |
| ROM | Raad van Overleg in de Metalektro (Dutch) |
| ROM | Rebels of Mankind (BattleField 2 clan) |
| ROM | Right Otitis Media (infection of the eardrum) |
| ROM | Reasonable Order of Magnitude |
| ROM | Roll-Over Mortgage (finance) |
| ROM | Retail Operation Management (US Navy) |
| ROM | Retention Office Manager (US DoD) |
| ROM | Request of Materials |
| ROM | Reception and Onward Movement |
| ROM | Received Output Message |
| ROM | Random Order of Magnitude (cost estimate) |
| ROM | Rifters of Matter (gaming guild) |
| ROM | Resource Optimization Management |
| ROM | Rate of Maxima |
| ROM | Run-Of-Month |