| Acronym | Sense | Language | Topics |
|---|---|---|---|
| REG | Revue des Études Grecques | In French | → Serial publications, periodicals → Language, linguistics, literature |
| REG | Régie des Eaux de Grenoble | In French | → Environmental technology, water supply, waste management |
| REG | Résistances Électriques et Gazières | In French | → Electrical engineering |