| Acronym | Definition |
|---|
| MFU | Mae Fah Luang University (Thailand) |
| MFU | Minnesota Farmers Union |
| MFU | Most Frequently Used |
| MFU | Men's Fashion Unity (Japan) |
| MFU | Maritime Fishermen's Union (Canada) |
| MFU | Miles for Upgrade (air travel) |
| MFU | Military Families United |
| MFU | MotorFlugUnion Klosterneuburg (flying club/school; Austria) |
| MFU | Multiple File Uploader |
| MFU | Market Facing Unit |
| MFU | Mavericks Fans Unite! (musical fan group) |
| MFU | Music For Unity |
| MFU | Maxillofacial Unit |
| MFU | Michigan Farmers Union |
| MFU | MetaFrame for UNIX (Citrix) |
| MFU | Major Fleet Unit |
| MFU | Midpeninsula Free University (Palo Alto, CA) |
| MFU | Manufacturing, Formulation and Use |
| MFU | Mobile Filtration Unit |
| MFU | Multi Functional Unit |
| MFU | Melbourne Free University (Australia) |
| MFU | Mission Folder Update |
| MFU | Main Function Unit |
| MFU | Middle Finger Up |
| MFU | Meeting Follow Up |
| MFU | Ministry of Finance of Ukraine |
| MFU | Minimum Flow Unit |
| MFU | Metabolic Fuel Utilized |