| Abbreviation | Definition |
|---|---|
| CIYA | Corrugated Iron Youth Arts |
| CKY | Cant Kontrol Youth |
| CLAY | Contact Lens Assessment in Youth |
| CLAY | Creating Leadership Amongst Youth |
| CMY | Centre for Multicultural Youth |
| CMY | Centre for Multicultural Youth?? |
| CMYA | Central Mississippi Youth Athletics |
| CMYA | Chonghar Morghgeeren Youth Association |
| CMYA | Coastal Mountain Youth Academy |
| CNYC | Cherokee National Youth Choir |
| COD | Crush Of the Day |
| CODY | Cherry Orchard Developing Youth |
| CODY | Communities Overcoming Depressed Youth |
| CODY | Court Orientation for Dependent Youth |
| COPSY | Caring for Our Port Stephens Youth |
| COPY | Central Oregon Partnerships for Youth |
| CORY | Coordination of Runaway Youth |
| COSY | Church of Scotland Youth |
| COSY | Collaborative Organization of Services for Youth |
| COY | Commission on Youth |