| Acronym | Definition |
|---|
| MARR➣Multiple Access Rural Radio |
| MARR➣Magazzini Alimentari Riuniti Riminesi (Italian grocery store) |
| MARR➣Minimum Acceptable Rate of Return |
| MARR➣Mission Assignment Reimbursement Request |
| MARR➣Marrucinian (linguistics) |
| MARR➣Ministry of Aboriginal Relations and Reconciliation (British Columbia, Canada) |
| MARR➣Multi Axis Radio Range |
| MARR➣Merger and Acquisition Research Report |
| MARR➣Major Accident Reconstruction and Review (King County) |