CYF
| Acronym | Definition |
|---|---|
| CYF | Children, Youth and Families |
| CYF | Chow Yun Fat (actor) |
| CYF | Christian Youth Fellowship |
| CYF | Cross Your Fingers |
| CYF | Christian Yde Frostholm (Danish poet and artist) |
| CYF | Canadian Youth Foundation |
| CYF | Call You Free |
| CYF | Cambio Y Fuera (Spanish: Over and Out) |
| CYF | Check Your Fly |
| CYF | Check Your Flanks (online gaming clan) |
| CYF | Cregagh Youth Fellowship |
| CYF | Chinese Yoga Federation |