| CSOA | Canadian Standard on Association 
| Others |
| CSOA | Centres Socials Ocupats Autogestionats
| Others |
| CSOA | Centro Sociale Occupato
| Others |
| CSOA | Civil Society Organization Authority
| Others |
| CSOA | Civil Society Organizations Authority
| Others |
| CSOA | Cloverleaf Standardbred Owners Association
| Others |
| CSOA | Collegiate Swimming Officials Association
| Others |
| CSOA | Combat Service Oriented Architecture
| Others |
| CSOA | Combined Special Operations Area
| Others |
| CSOA | Commonwealth Soccer Officials Association
| Others |
| CSOA | Concierge Services of Atlanta
| Others |
| CSOA | Coronado Seniors Out And About
| Others |
| CSOA | Credentialing Specialist of America
| Others |
| CSOA | Credentialing Specialists Of America
| Others |
| CSOA | Credit Services Organization Act
| Others |