| Abbreviation | Definition |
|---|---|
| MAP | Media Access Project |
| MAP | Membership Assistance Program |
| MAP | Musicians Assistance Program |
| MAPB | Michigan Association of Public Broadcasters |
| MAPD | Multi-cultural Arts Professional Development |
| MAPS | Member Auto Payment Saver |
| MAPS | Mid America Paleontology Society |
| MAPS | Military Air Preservation Society |
| MARC | Membership Application Review Committee |
| MARC | Midwest Area River Coalition |
| MAREC | Mid Atlantic Renewable Energy Coalition |
| MARN | Milwaukee Artist Resouce Network |
| MARP | Michigan Association of Railroad Passengers |
| MARVO | Mysterious Artifact Recovery Volunteers Organisation |
| MAS | Michigan Audubon Society |
| MAS | Missouri Archaeological Society |
| MASCIP | Multidisciplinary Association for Spinal Cord Injury Professionals |
| MASH | Marine Animal Stranding Hotline |
| MASM | Mongolian Association of Surveying and Mapping |
| MAST | Metropolitan Ambulance Services Trust |