| Abbreviation | Definition |
|---|---|
| MCCF | Monterey County Composers' Forum |
| MDAF | Million Dollar Advocates Forum |
| MDF | Magyar Demokrata Fórum |
| MEF | Major Economies Forum |
| MEF | Metro Ethernet Forum |
| MEPF | Mexico Executive Peer Forum |
| MEPF | Middle East Political Forum |
| MF | Mobile Forums |
| MFF | Medieval Feminist Forum |
| MGS | Metal Games Sgforums |
| MGUF | Mediterranean and Gulf Urological Forum |
| MHPF | Massachusetts Health Policy Forum |
| MIEF | Medicines in Europe Forum |
| MIF | Minsk International Forum |
| MIMO | Multiple Input Mathforum Org |
| MIWF | Monkey Island World Forum |
| MLPF | Maj Lind Piano Forum |
| MLPF | My LinkedIn Power Forum |
| MMF | Mobile Manufacturers Forum |
| MQF | Maine Quality Forum |