| Abbreviation | Definition |
|---|---|
| MOC | Montbell Outdoor Challenge |
| MOD | Masters Of Disaster |
| MODS | Manitoba Organization of Disc Sports |
| MOG | Multiplayer Online Game |
| MOM | Master Of the Month |
| MON | Montreal Expos |
| MOP | Most Outstanding Player |
| MOPAR | Move Over, People Are Racing |
| MORS | Masonman's Online Racing Series |
| MOSES | Maine Online Sportsmans Electronic System |
| MOT | Moment Of Truth |
| MOT | My Other Team |
| MOTD | Match Of The Day |
| MOTOGP | Motorcycle Grand Prix |
| MOTU | Masters Of The Universe |
| MOUT | Multiple Outdoor Unaware Targets |
| MOVC | Midwest Ohio Volleyball Club |
| MP | Magic Points |
| MP | Mana Points |
| MP | Might Play |