| Abbreviation | Definition |
|---|---|
| COY | Cultivating Our Youth |
| COYA | Coptic Orthodox Youth Association |
| COYB | Central Ohio Youth Ballet |
| COYL | Coalition Of Youth Librarians |
| COYO | Central Oregon Youth Orchestra |
| COYO | Cleveland Orchestra Youth Orchestra |
| COYO | Committee of Youth Officers |
| CPY | Coalition for Placer Youth |
| CPY | Committed Partners for Youth |
| CPY | Community Partners with Youth |
| CPY | Community Partnership for Youth |
| CPYB | Central Pennsylvania Youth Ballet |
| CRAY | Creative Revolutionary Artistic and Youthful |
| CRAZY | Creating Resilient Aware Zealous Youth |
| CRY | Community Resources for Youth |
| CRYC | Chester River Youth Choir |
| CRYC | Columbia River Youth Corps |
| CRYPT | Covert Response Youth Paranormal Team |
| CRYT | Creative Riverina Youth Team |
| CSYFA | Chatham-Savannah Youth Futures Authority |