EYO
| 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) |