HEY
| Acronym | Definition |
|---|---|
| HEY | Hull and East Yorkshire (UK city and district) |
| HEY | Honoring Emancipated Youth (est. 1999; California) |
| HEY | Healthy Early Years (UK) |
| HEY | Help Empower Youth (Windham County Vermont Youth Services; Brattleboro, VT) |
| HEY | Health and Education for Youth (St. Louis, MO) |
| HEY | Henry Esson Young Building (Riverview Hospital; Canada) |
| HEY | Hyperimmune Egg Yolk |