| CORS | Callista Online Reporting system 
| Others |
| CORS | Callista Online Reports System
| Others |
| CORS | Canadian Operational Research Society
| Others |
| CORS | Canadian Orthopaedic Research Society
| Others |
| CORS | Central Ontario Racing Series
| Others |
| CORS | Centralised Online Registration System
| Others |
| CORs | Channelized Optical Rings
| Others |
| CORS | Chief Of the Regulating Staff
| Others |
| CORS | Company Operated Retail Store
| Others |
| CORS | Comparative Occurrence Reporting Service
| Others |
| CORS | Continuing Operating Reference Stations
| Others |
| CORS | Continuously Operated Reference Stations
| Others |
| CORS | Continuously Operating Reference Station
| Others |
| CORS | Continuously Operating Reference Stations
| Others |
| CORS | Cross Origin Resource Sharing
| Others |
| CORS | Cross Orign Resource Sharing
| Others |
| CORS | Cross-Origin Resource Sharing
| Others |