Ma, MA, or mA may refer to:
Academia
- Master of Arts, a degree award
- Marin Academy, a high school in San Rafael, California
- Menlo-Atherton High School, a public high school in Atherton, California
- Minnehaha Academy, a private high school in Minneapolis, Minnesota
Arts and entertainment
Music
- Ma (Anjan Dutt album) (1998)
- Ma (Rare Earth album) (1973)
- Ma (Sagarika album) (1998)
- Ma (Zubeen Garg album) (2019)
- Ma! (He's Making Eyes at Me), 1974 debut album of Scottish singer Lena Zavaroni
- Massive Attack, a British trip hop band
- In music instructions, "but", especially in the phrase ma non troppo (see Glossary of musical terminology#M)
- In tonic sol-fa, a flattened me
- Encyclopaedia Metallum: The Metal Archives, a website devoted to heavy metal bands
Fictional characters
- Ma (The Lion King), a main character in the animated film Lion King 1½
- Ma Beagle, in the Donald Duck universe
- Ma Hunkel, a DC Comics character
- Ma Kettle, a 1940s and 1950s comic film character
- The protagonist of Ma Perkins, an American radio soap opera which aired from 1932 to 1960
- The Ma family, in the 2014 South Korean television series 4 Legendary Witches
Other uses in arts and entertainment
- Ma (2019 film), a horror film starring Octavia Spencer and Luke Evans
- Ma (negative space), a word of Japanese origin used in art and design
- Memory Alpha, a Star Trek-oriented wiki
- Miss America, a beauty pageant, and the title awarded at said pageant
- MA (journal), a Hungarian art magazine
Businesses and organizations
- Malév Hungarian Airlines (IATA designator: MA)
- Mastercard (NYSE stock symbol: MA)
- Montserrat Airways Ltd (MA LTD), trading as FlyMontserrat
- Motorcycling Australia
- Motorsport Australia
- Orange Movement (Movimento Arancione), an Italian political party
- Market America, a product brokerage and internet marketing company
- Museums Association, UK
- Musicians Australia, a trade union run by the Media, Entertainment and Arts Alliance
People
- Ma, an informal synonym for mother
- Ma (surname) (马/馬), a common Chinese family name
- Ma (surname 麻), a less common Chinese surname
- Ma Barker (1873–1935), American criminal and mother of criminals
- Ma Beland (1870–1952), American drug trafficker
- Miriam A. Ferguson (1875–1961), nicknamed "Ma", American politician, twice governor of Texas and first female governor of Texas
- Harriet Pullen (1860–1947), American entrepreneur and hotelier nicknamed "Ma"
- Ma Rainey, stage name of early American blues singer Gertrude Pridgett (1886–1939)
- Ma Anand Sheela, Osho movement leader convicted of multiple attempted murders
- Maria (Mª or Ma.), according to Spanish naming customs
- Mạ people, a Vietnamese ethnic group
- Meshwesh (Ma), an ancient Libyan (i.e., Berber) tribe from Cyrenaica
Language
- Ma (cuneiform), a cuneiform sign
- Ma (Indic), an Indic consonant
- Ma (Javanese) (ꦩ), a letter in the Javanese script
- Ma (kana), a Japanese kana
- Ma (negative space), a Japanese reading of a Sino-Japanese character
- Ma language, a language spoken in the Democratic Republic of Congo
- Ma language (Papuan), a language of Papua New Guinea
Mythology
- Ma (Sumerian mythology), in Sumerian mythology, that from which the "primeval land" was formed
- Ma (goddess), an Anatolian goddess
- Ma, a mythohistoric entrepreneur for whom the Malaysian town of Marang, Terengganu was purportedly named
Places
- Ma River, a river in Vietnam and Laos
- Ma, Tibet, a village and township in Tibet
- Morocco (ISO 3166-1 country code)
- .ma, the Internet country code top-level domain (ccTLD) for Morocco
- FIPS 10-4 country code of Madagascar
- Maranhão, a state of Brazil, postal code MA
- Maluku (province), a province of Indonesia (ISO 3166-2:ID subdivisions)
- Massachusetts, state abbreviation MA, one of the United States
Science, technology, and mathematics
Chemistry
- Methyl anthranilate, used as a bird repellent
- Minor actinides, the actinide elements in used nuclear fuel other than uranium and plutonium
- Monomethyl aniline, a solvent, chemical intermediate, and gasoline additive
- Methylammonium (CH3NH3), e.g., in methylammonium lead halides
Health and medicine
- MA (chemotherapy) is an acronym for Mitoxantrone + standard-dose Ara-C (cytarabine) chemotherapy regimen
- Marijuana Anonymous, a group recovery program aimed at marijuana addiction
- Marketing authorisation, an authorisation granted by a regulatory authority to market a new drug
- Medical assistant, a type of health care worker
- Metabolic acidosis, a medical condition in which the pH of body is decreased beyond the normal range
- Metabolic alkalosis, a medical condition in which the pH of body is elevated beyond the normal range
- Methamphetamine, a psychostimulant
Mathematics
- MA (complexity), a set of decision problems that can be decided by an Arthur–Merlin protocol
- Martin's axiom, an axiom in mathematical logic
- Moving-average model (MA), in statistics
Measurements
- Mach number (Ma), a measure of speed compared to the speed of sound
- Megaampere (MA), a multiple of the SI unit of electric current, the ampere
- Megaannum (Ma), one million years
- Milliampere (mA), a multiple of the SI unit of electric current, the ampere
- Myr, Mya, or Ma, meaning "million years ago"; (NB: broadly equivalent to "Megaannum (Ma)", see above)
Other uses in science and technology
- Mechanical advantage (MA), mechanical multiplier of input force
- Mechanical alloying (MA), a technique to produce alloys
- Marketing automation (MA), technology designed to automate marketing-related tasks
- Ma, a type of interface in an IP Multimedia Subsystem
- Ford MA, a 2002 concept car
- Nissan MA engine, an automotive engine introduced in 1982
Other uses
- Ma clique, a group of warlords from 1919 until 1928
- Martial arts
- Master-at-arms (United States Navy) (MA), an enlisted rating in the US Navy
- Metropolitan area
- Middle Ages, a period of European history
- Motorcycle accident
- Motorsport Australia
See also
- "Mature audience", a U.S. television rating system category, abbreviated TV-MA
- Maa (disambiguation)
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