MAF
- Heat of combustion
- MAF (gene)
- MAFless Tuning
- Macrophage-activating factor
- Magnetic field-assisted finishing
- Majid Al Futtaim Group
- Malaysia Athletics Federation
- Malaysian Armed Forces
- Marc-André Fleury
- Marine Expeditionary Force
- Markranstädter Automobilfabrik
- Mass airflow sensor
- Methoxyacetylfentanyl
- Metin-Ali-Feyyaz
- Michoud Assembly Facility
- Microsoft Access
- Midland International Airport
- Minor allele frequency
- Mission Aviation Fellowship
- Mongolian Air Force
- Mongolian Armed Forces
- Move America Forward
- Mozilla Archive Format
- Myanmar Air Force
- New Zealand Ministry of Agriculture and Forestry
- Saint Martin (France)