| QSR | Bangor and Aroostook Railroad (Montreal, Maine & Atlantic) 
| Others |
| QSR | Qualitative Site Reviews
| Others |
| QSR | Qualitative Solutions and Research
| Others |
| QSR | Quality Service Reports
| Others |
| QSR | Quality Statistics and Reliability
| Others |
| QSR | Quality Status Report
| Others |
| QSR | Quality Surveillance Representative
| Others |
| QSR | Quality Survey Reviews
| Others |
| QSR | Quality Synthetic Rubber
| Others |
| QSR | Quality System Record
| Others |
| QSR | Quality System Regulation
| Others |
| QSR | Quality System Representative
| Others |
| QSR | Quality System Review
| Others |
| QSR | Quality Systems Registrars
| Others |
| QSR | Quality Systems Regulation
| Others |
| QSR | Quantitative and Symbolic Reasoning
| Others |
| QSR | Quarter-Rack Scalable Router
| Others |
| QSR | Quarterly Security Release
| Others |
| QSR | Quarterly Software Release
| Others |
| QSR | Quarterly Status Report
| Others |
| QSR | Quarterly Suicide Report
| Others |
| QSR | Quebec Southern Railway
| Others |
| QSR | Quick Safety Release
| Others |
| QSR | Quick Secretarial Response
| Others |
| QSR | Quick Serve Restaurant
| Others |
| QSR | Quick Service Restaurant
| Others |
| QSR | Quick Service Restaurants
| Others |
| QSR | Quick Surface Reconstruction
| Others |
| QSR | Quoted Search Results
| Others |