| ROR | Koro, Palau Islands 
| Others |
| ROR | Range Only Radar
| Others |
| ROR | Range-Only Radar
| Others |
| ROR | Rate Of Return
| Others |
| ROR | Rate of Rise
| Others |
| ROR | Raughing out Roud
| Others |
| ROR | Rear Outside Right
| Others |
| ROR | Reason Of Royality
| Others |
| ROR | Receiver Over Run
| Others |
| ROR | Record Of Revision
| Others |
| ROR | Records of Rights
| Others |
| ROR | Reduction Oxidation Reduction
| Others |
| ROR | Regenerative Orthobiologics Registry
| Others |
| ROR | Registration Override Request
| Others |
| ROR | Registry of Registries
| Others |
| ROR | Rejection of Outliers by Rotation
| Others |
| ROR | Related Orphan Receptor
| Others |
| ROR | Release on Own Recognizance
| Others |
| ROR | Release On Recognizance
| Others |
| ROR | Released on Own Recognizance
| Others |
| ROR | Released On Your Own Recognizance
| Others |
| ROR | Released Own Recognizance
| Others |
| ROR | Remote Outdoor Router
| Others |
| ROR | Repair Of Repairables
| Others |
| ROR | Report of Rating
| Others |
| ROR | Reporting Odds Ratio
| Others |
| ROR | Repository Of Record
| Others |
| ROR | Research Organization Registry
| Others |
| ROR | Reservation Of Rights
| Others |
| ROR | Residence Orientation Representative
| Others |
| ROR | Resident and Ordinarily Resident
| Others |
| ROR | Residual Oil Remover
| Others |
| ROR | Resources Of a Resource
| Others |
| ROR | Retail, Office, Residential
| Others |
| ROR | Retraining of Racehorses
| Others |
| ROR | Return Of the Right Coalition
| Others |
| ROR | Return on
| Others |
| ROR | Return on Relationship
| Others |
| ROR | Return On Relationships
| Others |
| ROR | Return On Revenue
| Others |
| ROR | Reuters Order Routing
| Others |
| ROR | Rift Of Raigard
| Others |
| ROR | Right On Red
| Others |
| ROR | Rigs of Rods
| Others |
| ROR | Rise Of Rome
| Others |
| ROR | Risk Of Rain
| Others |
| ROR | Risk Of Ruin
| Others |
| ROR | Rivers Of Recovery
| Others |
| ROR | Roar Omega Roar
| Others |
| ROR | Roman Tmetuchl International Airport
| Others |
| ROR | Rookie Of the Race
| Others |
| ROR | Room Of Requirement
| Others |
| ROR | ROtate Right
| Others |
| ROR | Rottweiler Overland Railroad
| Others |
| ROR | Routing Overhead Rate
| Others |
| ROR | Ruby on Rails
| Others |
| ROR | Rules Of Racing
| Others |
| ROR | Rules Of the Road
| Others |
| ROR | Rules of the Road Regulations
| Others |
| ROR | Run Off Road
| Others |