| Abbreviation | Definition |
|---|---|
| MSSA | Monteagle Sunday School Assembly |
| MT | Machine Translation |
| MTRR | Memory Type Range Register |
| MUL | Multiply, Unsigned |
| MUNA | Model United Nations Assembly |
| MUNGA | Model United Nations General Assembly |
| MVCA | Mountain View Christian Assembly |
| MW | Memory Write |
| MWI | Message Waiting Indicator |
| N | Newline |
| N | Next |
| NAAR | National Assembly Against Racism |
| NACK | Negative ACKnowledge |
| NACT | Northern Assembly of Creative Technologists |
| NADRA | Nordic Alcohol and Drug Researchers Assembly |
| NAFW | National Assembly For Wales |
| NAM | Numerical Access Mode |
| NAN | Not A Number |
| NAND | logical NOT AND |
| NAP | Neighborhood Assembly Point |