| Abbreviation | Definition |
|---|---|
| MCM | Multi Channel Marketing |
| MCO | Marketing Companies Online |
| MCPF | Marketing Communications Planning Framework |
| MCR | Marketing Communications Resource |
| MCS | Marketing of Consulting Services |
| MCTR | Marketing Contribution to Revenue |
| MD | Marketing Disaster |
| MDDN | Marketing Dienste Detlev Nitsche |
| MDG | Marketing Design Group |
| MDM | MSc Digital Marketing |
| MDMA | Midwest Direct Marketing Association |
| MDMC | Midwest Digital Marketing Conference |
| MDML | Direct Marketing LLP |
| MDML | Mizoram Direct Marketing Limited |
| MDP | Marketing Developer Partners |
| MDP | Marketing Development Program |
| MDPC | Marketing Doctoral Programs Committee |
| MDRA | Marketing and Development Research Associates |
| MDRP | Marketing and Distribution of Refined Products |
| MDSCC | Marketing DDepartment of the Sirius Cybernetics Corporation |