| Abbreviation | Definition |
|---|---|
| CYF | Commonwealth Youth Forum |
| CYF | Community Youth Foundation |
| CYF | Concord Youth Football |
| CYFC | Cambridge Youth Football Club |
| CYFC | Cameron Youth Football and Cheer |
| CYFC | Cascade Youth and Family Center |
| CYFC | Children Youth and Family Collaborative |
| CYFC | Clearview Youth Football Cheerleading |
| CYFD | Children Youth and Families Department |
| CYFD | Children Youth Families Department |
| CYFI | Care for Youth Future Initiative |
| CYFI | Carrington Youth Fellowship Initiative |
| CYFI | Child and Youth Finance International |
| CYFI | Child Youth Finance International |
| CYFL | Carrollton Youth Football League |
| CYFL | Castle Youth Football League |
| CYFL | Catholic Youth Futsal League |
| CYFL | Champion Youth Football League |
| CYFL | Chelmsford Youth Football League |
| CYFL | Child Youth Family Liaison |