| Acronym | Sense | Language | Topics |
|---|---|---|---|
| HEJ | Hungara Esperanto-Junularo = MIESZ | Magyar Ifjúsági Eszperantó Szövetség | In Hungarian |
In Esperanto | → Associations → Artificial languages (linguistics) → Hungary |
| HEJ | Hungarian Electronic Journal of Sciences | In English | → Serial publications, periodicals → Mathematics and natural sciences → Hungary |