| Abbreviation | Definition |
|---|---|
| M | Maniacal |
| M | Milan |
| M | Misunderstood |
| M | Moronic |
| M | Mother |
| M | Murder |
| M | Murderer |
| MA | Made and Attempted |
| MA | Male Adult |
| MABL | Minnesota Association of Black Lawyers |
| MAC | Middle Aged Cops |
| MACC | Movement Against Corruption and Complicity |
| MACE | Massive Air Combat Event |
| MACRS | Modified Accrual Car Recovery System |
| MAD | Middle-Aged Divorce |
| MAFIA | Mazzini Autorizza Furti Incendi Avvelenamenti |
| MAFIA | Morte Ai Francesi Italiani Anela |
| MAG | Magistrate |
| MAGE | Magic Arts Of Good And Evil |
| MAL | Measurability Account of Laws |