| Abbreviation | Definition |
|---|---|
| CNSA | Canadian Nursing Student Association |
| CNSA | Canadian Nursing Students Association |
| CNSA | Canadian Nursing Students' Association |
| CNSO | Center for New Students and Orientation |
| COAST | Counseling Outreach Advocacy Student Team |
| COBUS | College Of the Bahamas Union of Students |
| COGS | Campaign to Organize Graduate Students |
| COGS | Congress Of Graduate Students |
| COGS | Council Of Graduate Students |
| COISA | Committee On International Students Affairs |
| CORPS | Collegiate Organization of Reformed Presbyterian Students |
| COS | Cluster of Students |
| COSA | Community Outreach Student Alliance |
| COSGA | Conference On Student Government Associations |
| COSL | Communication Of Student Learning |
| COSO | Committee On Student Organizations |
| COSO | Council On Student Organizations |
| COSS | Celebration of Student Scholarship |
| COSS | Council On Student Services |
| COSSVP | Council Of Student Service Vice Presidents |