| Abbreviation | Definition |
|---|---|
| CYAP | Community Youth Aid Panel |
| CYAP | Cultural and Youth Activities Program |
| CYAR | Children and Youth At Risk |
| CYAR | Colorado Youth At Risk |
| CYB | Carlsbad Youth Baseball |
| CYB | Casper Youth Baseball |
| CYB | Chandler Youth Baseball |
| CYB | Cherokee Youth Basketball |
| CYB | Claremont Youth Basketball |
| CYB | Culpeper Youth Basketball |
| CYBA | Camarillo Youth Basketball Association |
| CYBA | Columbia Youth Basketball Association |
| CYBA | Conejo Youth Basketball Association |
| CYBA | Crookston Youth Basketball Association |
| CYBA | The Cybertron Army |
| CYBB | Cornwall Youth Brass Band |
| CYBB | County Youth Brass Band |
| CYBC | Chicago Youth Boxing Club |
| CYBC | Christ Youth Bible Club |
| CYBD | Centre for Youth Bipolar Disorder |