| Acronym | Definition |
|---|
| ROR | Ruby on Rails |
| ROR | Rigs Of Rods (computer forum) |
| ROR | Roots of Rhythm (music education) |
| ROR | Ring of Regeneration (gaming) |
| ROR | Rate Of Return |
| ROR | Reach Out and Read (national pediatric literacy program) |
| ROR | Raugh Out Roud |
| ROR | Remote Outdoor Router |
| ROR | Resources of a Resource |
| ROR | Receiver over Run |
| ROR | Rotate Right |
| ROR | Rougeole, Oreillons, Rubéole (French: Measles, Mumps, Rubella) |
| ROR | Rise of Rome (Microsoft supplement to Age of Empires game) |
| ROR | Repair or Return (various organizations) |
| ROR | Retinoic Acid Receptor |
| ROR | Rate of Rise |
| ROR | Resources of a Resource (Extensible Markup Language format) |
| ROR | Rules of the Road |
| ROR | Reuters Order Routing |
| ROR | Return on Revenue (profitability) |
| ROR | Return on Relationships (value of relationship marketing) |
| ROR | Range-Only Radar |
| ROR | Reservation of Rights |
| ROR | Rise of Razel (band) |
| ROR | Revolutions On Request (artist group; Finland) |
| ROR | Right of Rescission |
| ROR | Raffing Out Roud (Laughing Out Loud in Scooby Doo voice) |
| ROR | Repair Of Repairables |
| ROR | Return on Risk (investment calculation) |
| ROR | Reggae on the River |
| ROR | Replication Overhead Ratio (computer algorithms) |
| ROR | Range Only Radar |
| ROR | Released on Own Recognizance |
| ROR | Rise Over Run (online magazine) |
| ROR | Rigs of Rods |
| ROR | Rachunek Oszczednosciowo-Rozliczeniowy (Polish: Current Account) |
| ROR | Koror, Palau - Airai (Airport Code) |
| ROR | Relational Operator Replacement |
| ROR | Rise of Republic (German online game) |
| ROR | Run Off River (hydroelectric power systems) |
| ROR | Rollover Risk |
| ROR | Record of Revision |
| ROR | Room Over Room (game engines) |
| ROR | Repository of Record |
| ROR | Registry of Resources |
| ROR | Record of Reference (Intel) |
| ROR | Radiological Occurrence Reporting |
| ROR | Returned or Refunded |
| ROR | Route Overlap Reduction |
| ROR | Realm of Ralnar (game) |
| ROR | Regimental Orderly Room |
| ROR | Routing Overhead Rate |
| ROR | Realms of Renth (forum) |
| ROR | Royal Order of the Rabbit (Gram Rabbit fan club) |