MARN
| 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) |