| Acronym | Definition |
|---|
| MARN➣Ministerio de Ambiente y Recursos Naturales (Spanish) |
| MARN➣Minnesota Adoption Resource Network (Minneapolis, MN) |
| MARN➣Manitoba Association of Registered Nurses |
| MARN➣Migration Agents Registration Number (Australia) |
| MARN➣Milwaukee Artists Resource Network |
| MARN➣Marine Forces (HQDA) |
| MARN➣Mission d'Appui à la Gestion du Risque Nucléaire (French: Mission Support for Nuclear Risk Management) |