| Abbreviation | Definition |
|---|---|
| MYA | Midwest Young Artist |
| MYS | MYStery |
| MYT | Markham Youth Theatre |
| MZQ | Wmzq-fm |
| N | Newsletter |
| N | Novels |
| NAA | Newspaper Association of America |
| NAAL | Norton Anthology of American Literature |
| NABA | North American Broadcasters Association |
| NABET | National Association of Broadcast Employees and Technicians |
| NABTS | North American Broadcast Teletext Specification |
| NAD | New Acoustic Dimension |
| NAE | National Account Executive |
| NAIL | Non-Alcohol Induced Literature |
| NAK | News About Kids |
| NAM | National Arbitration and Mediation |
| NAM | New America Media |
| NAMC | New Age Media Concepts |
| NAN | North Avenue News |
| NAP | National Academies Press |