| Abbreviation | Definition |
|---|---|
| MDC | Metropolitan Detention Center |
| MDC | Most Dangerous Corner |
| MDD | Montana Dangerous Drug |
| MDL | Multi District Litigation |
| MDLA | Minnesota Defense Lawyers Association |
| MDN | Mobile Data Network |
| MDNF | Maternal Death Notification Form |
| MDOP | Malicious Destruction of Property |
| MDP | Maldivian Drug Party |
| MDSO | Mentally Disordered Sex Offender |
| MDT | Mobile Data Terminal |
| MDTA | Manpower Development And Training Act |
| ME | Mostly Enraging |
| MEC | Modified Endowment Contract |
| MED | Mediator |
| MERIT | Magistrates Early Referral Into Treatment |
| MERV | Mobile Explosive Removal Vehicle |
| MEX | Mexican |
| MF | Master File |
| MFE | Major Factual Error |