| Reinsurance Group of America, Inc. | Business |
| Ron Goodin & Associates, Inc. | Business |
| Rick Grant & Associates | Business |
| Residual Gas Analyzer | Chemistry |
| Remote Gambling Association | Community |
| Restricted Growth Association | Community |
| Rubber Growers Association | Community |
| Random Girl Art | Community |
| Real-time Graphics and Audio | Community |
| Randomly Generated Acronym | Computing |
| Residual Gas Analysis | Electronics |
| R Google Analytics | General |
| Rice Graduate Apartments | General |
| Residual Gas Analyzers | General |
| Request Grant Accept | General |
| Request for Grant Application | General |
| Relative Global Attractor | General |
| Reversed Gender Animations | General |
| Really Good At | General |
| Revenue Generating Activities | General |
| Revenue Generating Actives | General |
| Reliability Growth Analysis | General |
| Rhino Grasshopper ARCHICAD | General |
| Residual Gas Analyser | General |
| Right Gastric Artery | General |
| Rotating General Astigmatic | General |
| Range of Guaranteed Acquisition | General |
| Relative Gain Array | General |
| Relevancy Grader Assistant | General |
| Rolex Grand-Am | General |
| Rear Guide Assist | General |
| Richard Grant Accessories | General |
| Rice Gum Army | Governmental |
| Rather Good Alliance | Governmental |
| Republican Governor's Association | Governmental |
| Rating of Grant Applications | Governmental |
| RAJGODA | Indian Railway Station |
| Reinsurance Group of America | Insurance |
| Return Goods Authorization | Messaging |
| Royal Garrison Archiver | Military and Defence |
| Royal Garrison Artillery | Military and Defence |
| Regional Governance Activity | Regional |
| Rio Grande, TF, Argentina | Regional |
| Raleigh Golf Association | Sports |
| Rochester Gymnastics Academy | Sports |
| Richmond Golf Association | Sports |
