| Acronym | Definition |
|---|
| DREN➣Direction Régionale de l'Education Nationale (French: Regional Directorate of National Education; various locations) |
| DREN➣Direcção Regional de Educação do Norte (Portuguese: Regional Directorate of Education of the North) |
| DREN➣Defense Research and Engineering Network |
| DREN➣Durham Region Employment Network (Ontario, Canada) |