| Moral Psychology and Poverty Alleviation | Academic & Science |
| Michigan Public Power Agency | Business |
| Master of Professional Practice in Accounting | Business |
| Masters of Professional Practice in Accounting | Business |
| Master Personal Property Appraiser | Business |
| Minnesota Pork Producers Association | Community |
| Medical Problems of Performing Artists | Community |
| Messer Pond Protective Association | Community |
| Maryland Public Purchasing Association | Community |
| Markham Park Pilots Association | Community |
| Mount Pisgah Parents Association | Community |
| Metal Powder Producers Association | Community |
| Master of Public Policy and Administration | General |
| Master of Public Policy Administration | General |
| Massively Parallel Processor Array | General |
| Michigan Press Photographers Association | General |
| Maine Professional Photographers Association | General |
| Millions of Passengers Per Annum | General |
| Most Probable Producing Ability | General |
| Million Passengers Per Annum | General |
| Masters of Public Policy and Administration | General |
| Master in Public Policy Administration | General |
| Multi Purpose Processor Array | General |
| Medicinal Plants Production Area | General |
| Medicaid Partner Portal Application | General |
| Montana Police Protective Association | Governmental |
| Minnesota Physician Patient Alliance | Governmental |
