CYO
| 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) |