| Abbreviation | Definition |
|---|---|
| MBU | Marching Band Update |
| MBW | Milwaukee Business Web |
| MBW | Missouri Business Week |
| MBY | Motor Boat and Yachting Magazine |
| MC | Main Character |
| MC | Media Card |
| MC | Micro Cassette |
| MC | Motivate the Crowd |
| MC | Movie Clip |
| MC | Multimedia Content |
| MCA | Missing Canadian Acts |
| MCA | Music Corporation of America |
| MCBI | Minnesota Christian Broadcasters, Inc. |
| MCC | Media Communication Club |
| MCC | Multi Column Chromatography |
| MCGA | Multi Color Graphics Array |
| MCHM | Medios de Comunicacion Hispanos de Montreal |
| MCI | Multimedia Control Interface |
| MCL | Matt Carroll Lovers |
| MCM | Making College Media |