| Abbreviation | Definition |
|---|---|
| MDB | Multilateral Development Bank |
| MEB | Multi-national Export Bureau |
| MEDCs | More Economically Developed Countries |
| MEFTA | Middle East Free Trade Area Initiative |
| MEPZ | Madras Export Processing Zone (India) |
| Mfg.inUSA | Manufactured in the USA |
| MFN | Most Favored Nation trade status (now called Normal Trade Relations) |
| MFN | Most Favored Nations |
| MFPA | Master Fee Protection & Pay Order Agreement |
| MHW | Ministry of Health and Welfare |
| MIA | Multi-national Insurance Arrangement |
| MIC | Made In China |
| MICE | Meetings, Incentives, Conventions, and Exhibitions |
| MIF | Multilateral Investment Fund |
| MIGA | Multilateral Investment Guarantee Agency |
| MIMC | Manitoba International Marketing Competition |
| MIPRO | Manufactured Imports Promotion Organization |
| ML | Munitions List |
| MLA | Manufacturing License Agreement |
| MMD | Mercantile Marine Department |