SSA may refer to:

Geography

Sub-Saharan Africa Sub-Saharan Africa is, geographically, the area and regions of the continent of Africa that lies south of the Sahara. These include West Africa, East Africa, Central Africa, and Southern Africa. Geopolitically, in addition to the List of sov ...

Organizations

* Safe Schools Alliance, a British advocacy group *

SSA Global Technologies SSA Global Technologies (previous NASDAQ symbol: SSAG) was a company developing Enterprise resource planning (ERP) software. On May 15, 2006, SSA Global announced that it would be acquired by Infor Global Solutions. The acquisition was completed ...

, American software company acquired by Infor Global Solutions *

Shan State Army The Shan State Army ( my, သျှမ်းပြည်တပ်မတော်; abbreviated SSA) was one of the largest insurgent groups that fought government forces in Shan State, Myanmar (Burma). The SSA was founded in 1964 after the ...

, a former insurgent group in Burma * Slovak Society of Actuaries ( sk, Slovenská spoločnosť aktuárov), professional association in Slovakia *

Soaring Society of America The Soaring Society of America (SSA) was founded at the instigation of Warren E. Eaton to promote the sport of soaring in the USA and internationally. The first meeting was held in New York City in the McGraw–Hill Building on February 20, 1932. ...

, American sporting society founded in 1932 * Society of Scottish Artists, artists society founded in 1891 * Swedish Society of Radio Amateurs, an amateur radio organization *

Singapore Scout Association The Singapore Scout Association (; ms, Persatuan Pengakap Singapura-PPS; "SSA") is one of the oldest youth movements in Singapore. History Scouting was first introduced in Singapore in 1908 but was officially founded on 2 July 1910. A young S ...

, youth movement founded 1910 *

Seismological Society of America The Seismological Society of America (SSA) is an international scientific society devoted to the advancement of seismology and the understanding of earthquakes for the benefit of society. Founded in 1906, the society has members throughout the wor ...

, international scientific society founded1906 * Scottish Socialist Alliance, a coalition of left-wing bodies, fore-runner to the Scottish Socialist Party *

Shipconstructors' and Shipwrights' Association The Shipconstructors' and Shipwrights' Association (SSA) was a trade union representing shipbuilders in the United Kingdom. History The union was founded in 1882 as the Associated Society of Shipwrights, by eleven local unions in Scotland and No ...

, a former British trade union * Sainsbury's Staff Association, of

Sainsbury's J Sainsbury plc, trading as Sainsbury's, is the second largest chain of supermarkets in the United Kingdom, with a 14.6% share of UK supermarket sales. Founded in 1869 by John James Sainsbury with a shop in Drury Lane, London, the company wa ...

, UK *

Sudan Studies Association The Sudan Studies Association (SSA) (Arabic: جمعية الدراسات السودانية) is the US-based professional association for scholars of Sudan and South Sudan, with members from the United States, Canada, Sudan, South Sudan, and els ...

, US professional association *

Society for the Study of Addiction The Society for the Study of Addiction (SSA) is a British society with charitable status A charitable organization or charity is an organization whose primary objectives are philanthropy and social well-being (e.g. educational, religious or ...

, UK learned society with charitable status * Steamship Authority, a Massachusetts ferry service and regulatory body

Education

* School of Saint Anthony, Quezon City, Philippines *

Secular Student Alliance The Secular Student Alliance (SSA) is an American educational nonprofit organization whose purpose is to educate high school and college students about the value of scientific reason and the intellectual basis of secularism in its atheistic and ...

, US *

Shady Side Academy } Shady Side Academy is an independent preparatory school located in the Borough of Fox Chapel (suburban Pittsburgh), and in the Point Breeze neighborhood of Pittsburgh, Pennsylvania. Founded in 1883 as an all-male night school in the Shadyside ...

, Pittsburgh, Pennsylvania, US

Government

Social Security Administration The United States Social Security Administration (SSA) is an Independent agencies of the United States government, independent agency of the Federal government of the United States, U.S. federal government that administers Social Security (United ...

of the US government * Social Security Agency (Northern Ireland) *

State Security Agency (South Africa) The State Security Agency is the department of the South African government with overall responsibility for civilian intelligence operations. It was created in October 2009 to incorporate the formerly separate National Intelligence Agency, South ...

, the South African intelligence service *

Selective Service Act of 1917 The Selective Service Act of 1917 or Selective Draft Act () authorized the United States federal government to raise a national army for service in World War I through conscription. It was envisioned in December 1916 and brought to President ...

, an American piece of legislation signed by President

Woodrow Wilson Thomas Woodrow Wilson (December 28, 1856February 3, 1924) was an American politician and academic who served as the 28th president of the United States from 1913 to 1921. A member of the Democratic Party, Wilson served as the president of ...

during

WWI World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

that established nationwide conscription

Computing

* Software Security Assurance *

Serial Storage Architecture Serial Storage Architecture (SSA) was a serial transport protocol used to attach disk drives to server computers. History SSA was invented by Ian Judd of IBM in 1990. IBM produced a number of successful products based upon this standard before ...

* Singular Spectrum Analysis * Stationary Subspace Analysis * Static single-assignment form, a property of intermediate representations used in compilers * Stochastic Simulation Algorithm *

Strong subadditivity of quantum entropy In quantum information theory, strong subadditivity of quantum entropy (SSA) is the relation among the von Neumann entropies of various quantum subsystems of a larger quantum system consisting of three subsystems (or of one quantum system with thre ...

SubStation Alpha SubStation Alpha (or Sub Station Alpha), abbreviated SSA, is a Subtitle (captioning), subtitle file format created by CS Low (also known as Kotus) that allows for more advanced subtitles than the conventional SubRip, SRT and similar formats. It i ...

and .ssa file format, a video subtitle editor * Super systolic array * Start of Selected Area, a control character in the C1 control code set * Solid State Array, in flash data storage using

solid-state drive A solid-state drive (SSD) is a solid-state storage device that uses integrated circuit assemblies to store data persistently, typically using flash memory, and functioning as secondary storage in the hierarchy of computer storage. It is ...

Science

Semantic structure analysis Semantic structure analysis (or SSA) is a methodology for systematic description of the intended meaning of natural language, developed by the Summer Institute of Linguistics. The name is also used for Eugene Nida's technique for mapping lexical ...

* Single-strand annealing in

homologous recombination Homologous recombination is a type of genetic recombination in which genetic information is exchanged between two similar or identical molecules of double-stranded or single-stranded nucleic acids (usually DNA as in cellular organisms but may ...

Specific surface area Specific surface area (SSA) is a property of solids defined as the total surface area of a material per unit of mass, (with units of m2/kg or m2/g) or solid or bulk volume (units of m2/m3 or m−1). It is a physical value that can be used to det ...

, a property of solids * Side-side-angle in geometry for solving triangles

Medicine

Senile systemic amyloidosis Wild-type transthyretin amyloid (WTTA), also known as senile systemic amyloidosis (SSA), is a disease that typically affects the heart and tendons of elderly people. It is caused by accumulation of a wild-type (that is to say a normal) protein call ...

Sessile serrated adenoma A sessile serrated lesion (SSL) is a premalignant flat (or sessile) lesion of the colon, predominantly seen in the cecum and ascending colon. SSLs are thought to lead to colorectal cancer through the (alternate) ''serrated pathway''. This diffe ...

, a type of pre-malignant intestinal polyp *

Special somatic afferent Special somatic afferent fibers (SSA) are the afferent nerve fibers that carry information from the special senses of vision, hearing and balance. The cranial nerves containing SSA fibers are the optic nerve (II) and the vestibulocochlear nerve (VI ...

Anti-SSA/Ro autoantibodies Anti-SSA autoantibodies (anti–Sjögren's-syndrome-related antigen A autoantibodies, also called anti-Ro, or similar names including anti-SSA/Ro, anti-Ro/SSA, anti–SS-A/Ro, and anti-Ro/SS-A) are a type of anti-nuclear autoantibodies that are ...

Sulfosalicylic acid Sulfosalicylic acid is used in urine tests to determine urine protein content. The chemical causes the precipitation of dissolved proteins, which is measured from the degree of turbidity.Order of the Star of South Africa The Order of the Star of South Africa is a South African National Order that consisted of seven decorations in two military and five non-military classes. The order was discontinued on 2 December 2002. Institution The Order of the Star of South ...

Deputado Luís Eduardo Magalhães International Airport Salvador – Deputado Luís Eduardo Magalhães International Airport , formerly called Dois de Julho International Airport and known by the Trade name Salvador Bahia Airport is the airport serving Salvador, Brazil. Since 16 June 1998, by Feder ...

, IATA Airport code *

Same sex attraction Homosexuality is Romance (love), romantic attraction, sexual attraction, or Human sexual activity, sexual behavior between members of the same sex or gender. As a sexual orientation, homosexuality is "an enduring pattern of emotional, romant ...

Sarva Shiksha Abhiyan Sarva Shiksha Abhiyan (), or SSA, is an Indian Government programme aimed at the universalisation of Elementary education "in a time bound manner", the 86th Amendment to the Constitution of India making free and compulsory education to children ...

, the Government of India's Education for All programme *

Self-sampling assumption ''Anthropic Bias: Observation Selection Effects in Science and Philosophy'' (2002) is a book by philosopher Nick Bostrom. Bostrom investigates how to reason when one suspects that evidence is biased by "observation selection effects", in othe ...

Shared services agreement In North American broadcasting, a local marketing agreement (LMA), or local management agreement, is a contract in which one company agrees to operate a radio or television station owned by another party. In essence, it is a sort of lease or time ...

Slippery slope argument A slippery slope argument (SSA), in logic, critical thinking, political rhetoric, and caselaw, is an argument in which a party asserts that a relatively small first step leads to a chain of related events culminating in some significant (usually ...

, a rhetorical device (and often a fallacy) * ESA

Space Situational Awareness Programme The Space Safety Programme, formerly the Space Situational Awareness (SSA) programme, is the European Space Agency's (ESA) initiative to monitor hazards from space, determine their risk, make this data available to the appropriate authorities and ...

* Special services area or business improvement district *

Special Service Agreement A Special Service Agreement (SSA) is a contract modality in the United Nations system, establishing a legal relation between the Organization and the individual, where the individual is a contractor or supplier of services, rather than a staff mem ...

between the UN and a contractor * Supervisory Special Agent * '' Serious Sam Advance'', a 2004 video game {{disambiguation