| Abbreviation | Definition |
|---|---|
| MACPAC | Medicaid and CHIP Payment and Access Commission |
| MAD | Mutually Assured Destruction |
| MAFO | Maryland Animal Feeding Operation |
| MAGA | Make American Guillible Again |
| MAGI | Modified Adjusted Gross Income |
| MAGIC | Map And Geographic Information Center |
| MAGIC | Multiple Access Graphics Imaging Center |
| MAI | Median Area Income |
| MAIN | Mapping Arkansas Information Network |
| MAJ | Major - Army |
| Maj | Major - Marines, USAF |
| MAJCOM | MAJor COMmand |
| MajGen | Major General - Marines |
| MALT | Monetary Allowance in Lieu of Transportation |
| MAMA | Medicare And Medicaid Administration |
| MAP | Modified American Plan |
| MA-PD | Medicare Advantage Prescription Drug Program |
| MAPP | Multi-Agency Partnership Project |
| MAPPA | Multi-Agency Public Protection Arrangement |
| MAPS | Madrid Agreement And Protocol System |