| Abbreviation | Definition |
|---|---|
| MD | Mickey Dolenz |
| MDG | Matthew D. Guarnere, recording artist |
| MDP | Michael D. Parker |
| ME | Mary Engelbreit, artist |
| MF | Mark Finch |
| MF | Maynard Ferguson |
| MF | Morgan Fairchild, actress |
| MG | Mahatma Gandhi |
| MG | Mahatma Ghandi |
| MG | Mister Green |
| MG | Monsieur Gillenormand |
| MG | Morton Goldberg |
| MGK | Matthew G. Kirschenbaum |
| MGR | Marudhur Gopalan Ramachandran |
| MGR | MG Ramachandran |
| MH | Mark Heard |
| MH | Masa Hiraoka, conservationist |
| MH | Michael Humphreys |
| MH | Mike Hailwood |
| MHE | Muslim Home Educators |