FRRS
| Acronym | Definition |
|---|---|
| FRRS | First Rib Resection and Scalenectomy (medical procedure) |
| FRRS | Feather River Rail Society (California) |
| FRRS | Federal Reserve Regulatory Service |
| FRRS | Frequency Resource Record System |
| FRRS | Fuel Return Rate Sensor |
| FRRS | Fire Resistance Rated Separation |