| Acronym | Definition |
|---|
| CYO➣Catholic Youth Organization |
| CYO➣See You Online |
| CYO➣Christian Youth Organization |
| CYO➣County Youth Orchestra (various locations) |
| CYO➣Community Youth Outreach (Oklahoma City, OK) |
| CYO➣Consciente y Orientado (Spanish: Alert and Oriented) |