# SA

Sa, SA, S.A. or s.a. may refer to:

## Arts, media and entertainment
### Music

* Initialism for "soprano and alto", voice types for which a piece of music is written
* SA (Samurai Attack), a Japanese punk rock band
* SA Martinez, a vocalist and DJ for the band 311
* Soziedad Alkoholika, a Spanish punk rock band
* SA, a 2018 album by Jonathan Richman
* Strike Anywhere, a hardcore punk band from Richmond, Virginia

### Other media

* Sa (film), a 2016 Indian film
* S.A (manga), a manga series by Maki Minami
* Something Awful, a comedy website
* Star Awards, an annual Singaporean television award ceremony
* Subterranean Animism, a video game from the Touhou series by ZUN
* Siragadikka Aasai (TV series), an Indian TV series

## Language and writing

* Sa (cuneiform), a cuneiform sign
* sa (hieroglyph), an Egyptian hieroglyph meaning "protection"
* Sa (kana) (さ and サ), characters (kana) in the two Japanese syllabaries
* Saa language, spoken in Vanuatu
* Sanskrit (ISO 639-1 code: sa), a historical Indo-Aryan language, the liturgical language of Hinduism
* Sine anno, Latin term for "without year" used in bibliographies to indicate items which do not record the year of publication
* Sub anno (s.a. or sa), Latin term for "under the year" in annals which record by year
* Sa (Javanese) (ꦱ), a character in the Javanese script

## Businesses and organizations
### Military and paramilitary

* Soviet Army, army of the Soviet Union
* Sturmabteilung (SA), a paramilitary wing of the German Nazi Party (NSDAP), also known as the Brownshirts

### Political organisations

* Socialist Action (disambiguation), several organisations
* Socialist Alliance (Australia), a Socialist political party
* Socialist Alliance (England), a political party in England
* Socialist Alternative (Australia), a Marxist political organisation

### Other businesses and organizations

* System Architect, an enterprise architecture product
* Spółka Aukcyjna ("Joint-stock company" in Polish)
* S.A. (corporation) (French: Société Anonyme) a type of corporation in various countries
* San Antonio Spurs, a basketball team in the U.S. National Basketball Association
* The Salvation Army, an international church and charity
* Sexaholics Anonymous, a sex-addiction recovery group based on the 12 steps of Alcoholics Anonymous
* Shooting Australia, governing body for target shooting sports in Australia
* Smokers Anonymous
* South African Airways (IATA airline designator: SA)
* Sports Authority, a defunct U.S. sporting goods retailer
* Success Academy Charter Schools, term commonly abbreviated to 'Success Academy'

## Places

* Vehicle registration plate for the province of Salerno, Italy
* SA postcode area, a group of postal districts near Swansea, Wales, UK
* Sakha Republic, a federal Russian republic
* Saline County, Kansas, U.S.
* San Antonio, Texas, U.S.
* Sarajevo (official city abbreviation)
* Saudi Arabia (two-letter country code)
* South Asia
* South Africa
* South America
* South Australia

## Science, technology, and mathematics
### Biology and medicine

* Salicylic acid, a plant hormone
* Spontaneous abortion
* Sustained action, a longer-acting form of a medication
* Surface area
* Sense of agency

### Computing and telecommunications

* .sa, the country code top level domain (ccTLD) for Saudi Arabia
* Security association in the IPsec networking protocol
* Selective availability, a mechanism for degrading the precision of the civilian GPS network
* Simulated annealing, an optimisation technique
* Software architect
* Software architecture
* Microsoft Software Assurance
* Structured analysis, a software engineering technique
* Suffix array, a sorted array of all suffixes of a string
* System administrator
* System architecture
* Systems analysis
* Systems analyst
* System agent
* Standalone mode, a deployment mode for 5G NR

### Other uses in science, technology, and mathematics

* Sa (Islamic measure), Arabic measure of volume
* Samarium (former chemical symbol: Sa), a rare earth metal
* Single action, a type of firearm trigger
* Situation awareness, a component of aviation safety and other socio-technical systems
* Spectral acceleration, in seismology and earthquake engineering
* Superabundant number, a type of number (mathematical concept)
* Unbarred spiral galaxy
* Short axis, in single-photon emission computed tomography
* Surface area

## Other uses

* Sa (Mandaeism), a type of Mandaean sacramental bread that is rolled up
* Simple asphyxiant, encoded on NFPA 704 as SA
* Seaman apprentice, a U.S. Navy and Coast Guard rank
* Secrecy agreement, a legal contract for confidentiality
* Sex appeal, attraction on the basis of sexual desire
* Sexual assault, the intentional act of sexually touching another person without their consent
* Share-alike, a term used in Creative Commons licensing
* Second Amendment to the constitutions of several sovereign states and subnational entities
** Second Amendment to the United States Constitution, the most common meaning of "Second Amendment"
* Single adult (LDS Church), a designation in The Church of Jesus Christ of Latter-day Saints for unmarried individuals 18 and older; sometimes used specifically to refer to unmarried individuals over 30
* Special agent, a position usually held by investigative officers within certain law enforcement agencies in the United States
* San Andreas (disambiguation)
* MG SA, a sporting saloon