SA

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

• Sá, a Portuguese surname

Arts, media and entertainment

• S · A: Special A, a manga series by Maki Minami
• Something Awful, a comedy website

Music

• SA, an initialism of the soprano and alto voice types for which a piece of music was written
• SA (Samurai Attack), a Japanese punk rock band
• SA Martinez, a vocalist and DJ for 311
• Soziedad Alkoholika, a Spanish punk rock band

Computing, networking and communications

• Microsoft Software Assurance
• 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
• Structured analysis, a software engineering technique
• System architecture
• Systems analysis
• Systems analyst
• System administrator

Language and writing

• sa (hieroglyph), an Egyptian hieroglyph meaning "protection"
• Sa (kana) (さ and サ), a Japanese kana
• 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"
• Sa (Javanese) (ꦱ), a letter in the Javanese script

Mathematics, science, engineering, medicine

• Salicylic acid, a plant hormone
• Samarium (former chemical symbol: Sa), a rare earth metal
• Single action, a type of firearm trigger
• Spectral acceleration in seismology and earthquake engineering
• Spontaneous abortion
• Superabundant number, a type of number (mathematical concept)
• Sustained action, a longer-acting form of a medication
• Unbarred spiral galaxy
• Short axis in single-photon emission computed tomography
• Surface area

Military and paramilitary

• Seaman apprentice, US navy and coastguard rank
• Sherut Avir, the air branch of the Haganah
• Soviet Army (Советская Армия, Sovetskaya Armiya)
• Sturmabteilung (SA), a paramilitary wing of the Nazi Party in Nazi Germany

Organizations

• S.A. (corporation), a type of corporation in various countries
• Sexaholics Anonymous, a sex-addiction recovery group based on the 12-steps of AA
• Success Academy Charter Schools, term commonly abbreviated to 'Success Academy'
• S.A. (Salvation Army), an international church and charity

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

Places

• SA postcode area, a group of postal districts in Wales
• Saline County, Kansas
• San Antonio, Texas, USA
• Sarajevo's official city abbreviation
• Saudi Arabia's two-letter country code
  • .sa, the country code top level domain (ccTLD) for Saudi Arabia
• South Africa
• South America
• South Australia

Other uses

• Share-alike, a term used in Creative Commons
• Secrecy Agreement, a legal contract for confidentiality
• Situation awareness, a component of aviation safety and other socio-technical systems
• South African Airways
• Sex appeal
• Single action, a firearm operation mechanism in which one must cock the hammer manually before firing

See also

• All pages with titles containing sa