| Acronym | Definition |
|---|
| EYO➣Etowah Youth Orchestras (Gadsden, AL) |
| EYO➣European Youth Observatory (Barcelona, Spain) |
| EYO➣Edinburgh Youth Orchestra (Scotland) |
| EYO➣Elkridge Youth Organization |
| EYO➣Edmonton Youth Orchestra (est. 1952; Edmonton, Alberta, Canada) |
| EYO➣Evolution Youth Organization, Inc. (Sheboygan, WI) |
| EYO➣Essex Youth Orchestra (UK) |