| Regina Symphony Orchestra |
Canadian |
RSO |
| Registered Student Organization |
University |
RSO |
| Revised Statutes of Ontario |
Canada Province |
RSO |
| Rochester Student Organization |
University |
RSO |
| Reconnaissance Systems Officer |
Military |
RSO |
| reconnaissance system operator |
Government |
RSO |
| Robert Stigwood Organisation |
Other |
RSO |
| Rokhana Sabawon Organization |
Organization |
RSO |
| Retirement Services Officer |
Business Position |
RSO |
| Robert Stigwood Organization |
Business Firm |
RSO |
| regional security office, 7 |
Government |
RSO |
| Roanoke Symphony Orchestra |
Music |
RSO |
| regional security officer |
Government |
RSO |
| Registered Sex Offender |
Police |
RSO |
| Resource Capital Corp. |
NASDAQ Symbol |
RSO |
| Radiological Safety Office |
Space Science |
RSO |
| Regional Support Organization |
Military |
RSO |
| Rectified Skew Orthomorphic |
Mathematics |
RSO |
| Rapid Scan Operation |
Computing |
RSO |
| Round, Square, and Oval |
Job Title |
RSO |
| runway supervisory officer |
Government |
RSO |
| Radiation Safety Officer |
FDA |
RSO |
| Range Safety Officer |
Military |
RSO |
| Reconnaissance and Surveillance Operation |
Military |
RSO |
| Road Safety Officer |
Police |
RSO |
