Places

• Maastricht Formation (MMa), a geologic formation in Belgium and the Netherlands

Business and commerce

• MacRobertson Miller Airlines, Western Australia, 1934-1980s
• Maldives Monetary Authority, a central bank
• Malta Maritime Authority
• Manufacturer's Mutual Association, later Association of Licensed Automobile Manufacturers
• Mobile Marketing Association, an advertising industry association
• Money market account, a type of bank account
• Former Montreal, Maine and Atlantic Railway, reporting mark
• Music Modernization Act, 2018, US law
• Myanmar Music Association
• Melon Music Awards
• Union of Sales and Marketing Professionals (Finnish: Myynnin ja markkinoinnin ammattilaiset), a Finnish trade union

Medicine

• Mammalian Meat Allergy or alpha-gal allergy
• Methenmadinone acetate, a progestin
• Maxillomandibular advancement, a jaw surgical procedure
• Methylmalonic acidemia, an autosomal genetic disorder
• Methylmalonic acid
• Middle meningeal artery
• Monomelic amyotrophy, a motor neuron disease

Museums

• Maria Mitchell Association, Nantucket, Massachusetts, US

Politics and religion

• Metropolitan Manila Authority, predecessor of the Metropolitan Manila Development Authority (MMDA), a Philippine government agency
• Medicare Modernization Act, a US law
• Muttahida Majlis-e-Amal, a political alliance, Pakistan

Science and technology

• Manual metal arc welding
• Methyl methacrylate, an organic compound
• Methylmalonic acid, a dicarboxylic acid
• MIDI Manufacturers Association
• Millimeter Array, an American radio telescope project
• Monomethylaniline, an aniline derivative
• Motor Mixing Algorithm, a rotation mechanism on Drone, mixing Thrust, Yaw, Pitch, and Roll principles
• Multimission Maritime Aircraft or P-8 Poseidon, US Navy program
• Tecnam MMA, a variant of the Tecnam P2006T aircraft
• 3-Methoxy-4-methylamphetamine, a psychedelic drug

Schools

• Maine Maritime Academy, a public college in Castine, Maine, United States
• Massachusetts Maritime Academy, a public college in Buzzards Bay, Massachusetts, United States
• Massanutten Military Academy, a college-prep, military school in Woodstock, Virginia, United States
• Maximo Mirafuentes Academy, a private high school in Tagum, Davao del Norte, Philippines
• Milford Mill Academy, a public high school in Baltimore County, Maryland, United States
• Military Medical Academy, a teaching hospital in Sofia, Bulgaria
• Missouri Military Academy, a boarding school in Mexico, Missouri, United States
• Mayfield Montessori Academy, a private school in Quezon City, Metro Manila, Philippines

Music

• Melon Music Awards, an awards ceremony in South Korea
• Metro FM Music Awards, an awards ceremony in South Africa

Military

• Military Manpower Administration, a Conscription agency in South Korea

See also

• All pages with titles containing MMA or MMAs
• MMAS (disambiguation)
• MA (disambiguation)
• mam (disambiguation)
• AMM (disambiguation)
• MAA (disambiguation)