MAF may refer to: Military Myanmar Air Force Malaysian Armed Forces Marine Amphibious Force, a former name for Marine Expeditionary Force, a type of U.S. Marine Corps task force Organizations Majid Al Futtaim Group Move America Forward Mission Aviation Fellowship Science MAF (gene) Minor allele frequency in genetics Methoxyacetylfentanyl, an opioid analgesic Macrophage-activating factor Moisture and Ash Free, a measure of moisture and ash content as used in ranking coals or the heat-content of wood Million acre-foot, MAF, a unit of volume commonly used in the United States in reference to large-scale water resources Sports Malaysia Athletics Federation Metin-Ali-Feyyaz, Turkish football trio who constituted attacking line of Turkish sports club Beşiktaş J.K. Marc-André Fleury (born 1984), Canadian ice hockey goaltender in the National Hockey League Technology Mass airflow sensor, used to find the mass flowrate of air entering a fuel-injected internal combustion engine MAFless Tuning, a method of operating the fuel injection system on a gasoline-powered motor vehicle whereby the mass airflow meter is removed Markranstädter Automobilfabrik, a German car-brand built from 1909 to 1923 in Markranstädt Mozilla Archive Format, a format for archiving web pages and also an add-on of the same name for Mozilla Firefox Magnetic field-assisted finishing Microsoft Access Form, a file format associated with Microsoft Access, bearing the file extension .maf Other New Zealand Ministry of Agriculture and Forestry Saint Martin (France), ISO 3166-1 alpha-3 country code Midland International Airport, whose IATA code is MAF Michoud Assembly Facility, a NASA manufacturing facility 14 miles outside New Orleans, Louisiana