# MA

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) (ま, マ), 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 (CH$_3$NH$_3$), 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