| Abbreviation | Definition |
|---|---|
| BYWO | Barnet Youth Wind Orchestra |
| BYWO | Bolan Youth Welfare Organization |
| BYZ | Blackburn Youth Zone |
| C | Communists |
| C3P | Canadian Council for Child Protection |
| CAMY | Center on Alcohol Marketing and Youth |
| CANDY | Citizens Against Needless Death in Youth |
| CANOPY | Care And Nurture Of Pacific Youth |
| CAPY | Community Assessment Of Programming For Youth |
| CARE | Children-At-Risk Empowerment |
| CARLY | Connecticut Amateur Radio League of Youth |
| CARY | Canadian Association of Rwandan Youth |
| CARY | Council on At Risk Youth |
| CAS | Children's Aid Society |
| CASY | Chances And Services for Youth |
| CAYA | Central Area Youth Association |
| CAYA | Collegedale Adventist Youth in Action |
| CAYA | Crestview Area Youth Association |
| CAYLA | City of Asheville Youth Leadership Academy |
| CAYO | Cuban American Youth Orchestra |