| Abbreviation | Definition |
|---|---|
| MARS | Modelling Animation And Rendering System |
| MASS | Message, Audience, Situation, Significance |
| MASS | Movie Artists Social Support |
| MASTER | Multiple Access System for Televised Educational Resources |
| MATV | Master Antenna TeleVision |
| MB | Media Bureau |
| MBC | Mauritius Broadcasting Corporation |
| MBC | Middle East Broadcasting Center |
| MBC | Mountain Broadcasting Corporation |
| MBC | Munhwa Broadcasting Corporation (Korea) |
| MBD | Man Bites Dog |
| MBE | Men, Birds, Everyone |
| MBHS | My Black Hair Salons |
| MBI | Male Body Inspector |
| MBJ | Memories By Jerry (Freelance Photographer) |
| MBM | Make Believe Media |
| MBN | Media Bureau Networks |
| MBN | Moody Broadcasting Network |
| MBNI | Mareco Broadcasting Network Inc |
| MBQ | Metal Boat Quarterly |