| Abbreviation | Definition |
|---|---|
| RSG | Re Structure Group |
| RSG | Ready Set Go |
| RSG | Recovery Storage Group |
| RSG | Regional Support Group |
| RSG | Reintroduction Specialist Group |
| RSG | Replacement Steam Generators |
| RSG | Resilience Strength and Growth |
| RSG | Resilient Sommelier and Ganesh |
| RSG | Resource Solutions Group |
| RSG | Resource Systems Group |
| RSG | Responsible Service of Gambling |
| RSG | Responsible Service of Gaming |
| RSG | Responsible Structured Growth |
| RSG | Responsibly Sourced Gas |
| RSG | Retirement Solution Group |
| RSG | Retirement Solutions Group |
| RSG | Retirement Strategies Group |
| RSG | Revenue Support Grant |
| RSG | Reverse Shell Generator |
| RSG | Revision Steering Group |