| Acronym | Definition |
|---|
| MFF | Multiannual Financial Framework (EU budget term) |
| MFF | Marvel Future Fight (gaming) |
| MFF | Male Female Female (cable connectors) |
| MFF | Milken Family Foundation (Santa Monica, CA) |
| MFF | Mary Ferrell Foundation (Ipswich, MA) |
| MFF | Media and File Features |
| MFF | Midi File Format |
| MFF | Matematicko-Fyzikalni Fakulta (Czech Republic) |
| MFF | Mountain Film Festival (various locations) |
| MFF | Market Forces Factor (National Health Service; UK) |
| MFF | Maryland Film Festival |
| MFF | Mozilla Firefox |
| MFF | Mobile Film Festival (France) |
| MFF | Michigan Fitness Foundation (Lansing, MI) |
| MFF | Midwest FurFest |
| MFF | Mexican Fruit Fly (pest) |
| MFF | Military Free Fall (parachuting) |
| MFF | Music Football Fatherhood (lifestyle website; UK) |
| MFF | Military Families Fund (Canada) |
| MFF | Mobil Film Festival (annual; San Diego, CA) |
| MFF | Mendocino Film Festival (California) |
| MFF | Mini Form Factor (computers) |
| MFF | Melbourne Fringe Festival (Australia) |
| MFF | Mobile Field Force (Baltimore County Police Department) |
| MFF | Mangroves for the Future (Bangkok, Thailand) |
| MFF | Multi-Faith Forum (various locations) |
| MFF | My Football Forum (UK) |
| MFF | Messe Frankfurt Feiras (German fair organizer) |
| MFF | Myanmar Fisheries Federation |
| MFF | Maritime Fall Fair (Canada) |
| MFF | Military Front for Families |
| MFF | Malmö Fotbollsförening (Swedish soccer club) |
| MFF | Music for Films (Brian Eno album) |
| MFF | My Fat Fingers (keyboarding) |