| Abbreviation | Definition |
|---|---|
| MABB | Massachusetts Association of Blood Banks |
| MAC | Minority Affairs Committee |
| MACC | Macatawa Area Coordinating Council |
| MACC | Macclesfield, Cheshire, England |
| MACC | Manston Airport Consultative Committee |
| MACL | Maldives Airports Company Limited |
| MACRS | Massachusetts Association of Contributory Retirement Systems |
| MADO | Mississippi Association of Dispensing Opticians |
| MAFSS | Multi-Agency Family Support Service |
| MAG | Ministry of the Attorney General |
| MAG | Mountainland Association of Governments |
| MAHS | Michigan Administrative Hearing System (Lansing, MI) |
| MAHT | Mass Alliance of HUD Tenants |
| MAID | Medical Assistance Identification |
| MAP | Montana Advocacy Program |
| MAPA | Metropolitan Area Planning Agency |
| MAPC | Metropolitan Area Planning Commission |
| MAPC | Metropolitan Area Planning Council |
| MAPD | Metropolitan Area Planning Department |
| MAPD | Mineola Auxiliary Police Department |