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 The Slovak Society of Actuaries (SSA, sk, Slovenská spoločnosť aktuárov) is the association of actuaries in Slovakia. The Society was established in 1996. It is a full member of the International Actuarial Association and the Groupe Consultatif ...

( sk, Slovenská spoločnosť aktuárov), professional association in Slovakia * Soaring Society of America, 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, youth movement founded 1910 * Seismological Society of America, international scientific society founded1906 * Scottish Socialist Alliance, a coalition of left-wing bodies, fore-runner to the Scottish Socialist Party * Shipconstructors' and Shipwrights' Association, a former British trade union * Sainsbury's Staff Association, of Sainsbury's#Employee relations, Sainsbury's, UK * Sudan Studies Association, US professional association * Society for the Study of Addiction, 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, US * Shady Side Academy, Pittsburgh, Pennsylvania, US

Government

* Social Security Administration of the US government * Social Security Agency (Northern Ireland) * State Security Agency (South Africa), the South African intelligence service * Selective Service Act of 1917, an American piece of legislation signed by President Woodrow Wilson during WWI that established nationwide conscription

Computing

* Software Security Assurance * Serial Storage Architecture * Singular Spectrum Analysis * Stationary Subspace Analysis * Static single-assignment form, a property of intermediate representations used in compilers * Gillespie algorithm, Stochastic Simulation Algorithm * Strong subadditivity of quantum entropy * SubStation Alpha and .ssa file format, a video subtitle editor * Super systolic array * Start of Selected Area, a control character in the C0 and C1 control codes, C1 control code set * Solid State Array, in flash data storage using solid-state drives

Science

* Semantic structure analysis * Single-strand annealing in homologous recombination#SSA_pathway, homologous recombination * Specific surface area, a property of solids * Side-side-angle in geometry for solving triangles

Medicine

* Senile systemic amyloidosis * Sessile serrated adenoma, a type of pre-malignant intestinal polyp * Special somatic afferent * Anti-SSA/Ro autoantibodies * Sulfosalicylic acid

Other uses

* SSA, Grand Cross of the Order of the Star of South Africa * Deputado Luís Eduardo Magalhães International Airport, IATA Airport code * Same sex attraction * Sarva Shiksha Abhiyan, the Government of India's Education for All programme * Self-sampling assumption * Shared services agreement * Slippery slope argument, a rhetorical device (and often a fallacy) * ESA Space Situational Awareness Programme * Special services area or business improvement district * Special Service Agreement between the UN and a contractor * Supervisory Special Agent * ''Serious Sam Advance'', a 2004 video game {{disambiguation