SSO may refer to:

Organizations

Sarasota County Sheriff's Office Sarasota County Sheriff's Office (SSO) is the primary law enforcement agency for Sarasota County, Florida. The agency is responsible for law enforcement services in unincorporated areas of Sarasota County, jail facilities, and courthouse secur ...

, a law enforcement agency in Sarasota County, Florida, US *

Social Security Organization The Social Security Organization (SSO) is a social insurance organization in Iran which provides coverage of wage-earners and salaried workers as well as voluntary coverage of self-employed persons. In 1975, the laws Social Security Law was app ...

, a social welfare organization in Iran * Special Security Office, a function to disseminate sensitive information in the US federal government and armed forces *

Special Security Organization The Iraqi Special Security Organization (SSO) ( ar, الأمن الخاص Al-Amn al-Khas) was the most powerful Iraqi security agency under President Saddam Hussein and was responsible for personal security of high-ranking government officials an ...

, a former Iraqi security agency *

Special Source Operations Special Source Operations (SSO) is a division in the US National Security Agency (NSA) which is responsible for all programs aimed at collecting data from major fiber-optic cables and switches, both inside the US and abroad, and also through corpor ...

, a division of the US National Security Agency that collects digital data *

Standards Setting Organization A standards organization, standards body, standards developing organization (SDO), or standards setting organization (SSO) is an organization whose primary function is developing, coordinating, promulgating, revising, amending, reissuing, interpr ...

, a group developing, producing or maintaining technical standards * SSO VS,

Russian Special Operations Forces The Special Operations Forces of the Armed Forces of the Russian Federation, commonly known as the Special Operations Forces (SOF; rus, Силы специальных операций; ССО, Sily spetsial’nykh operatsiy; SSO) are strategic-l ...

(''Sily Spetsialnykh Operatsiy'') * SSO, Ukrainian Special Operations Forces (''Syly Sspetsialʹnykh Operatsiy)'' * SSO, Belarusian Special Operations Forces

Orchestras

* Salford Symphony Orchestra, England * Saskatoon Symphony Orchestra, Canada *

Scottish Symphony Orchestra The BBC Scottish Symphony Orchestra (BBC SSO) is a Scottish broadcasting symphony orchestra based in Glasgow. One of five full-time orchestras maintained by the British Broadcasting Corporation (BBC), it is the oldest full-time professional rad ...

, Scotland * Seattle Symphony Orchestra, US *

Shreveport Symphony Orchestra The Shreveport Symphony Orchestra (SSO) is based in Shreveport, the seat of Caddo Parish and the largest city in north Louisiana. The SSO performs most of its concerts in the newly renovated RiverView Theater (formerly Shreveport Civic Theater) ...

, US * Singapore Symphony Orchestra, Singapore *

Southern Syncopated Orchestra Southern Syncopated Orchestra (SSO), established first in the U.S. as the New York Syncopated Orchestra, was an early jazz group known for bringing Black musicians to the UK. The group was founded by Will Marion Cook. Members of the group include ...

, an early US jazz group that toured the UK and Ireland 1919–21 *

Springfield Symphony Orchestra The Springfield Symphony Orchestra is an American orchestra based in Springfield, Massachusetts. It performs at Symphony Hall, a part of the Springfield Municipal Group. The Springfield Symphony (SSO) got its start when the conductor of the ...

, US * Stavanger Symphony Orchestra, Norway *

Sudbury Symphony Orchestra The Sudbury Symphony Orchestra is a Canadian symphony orchestra based Sudbury, Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has histor ...

, Canada *

Sydney Symphony Orchestra The Sydney Symphony Orchestra (SSO) is an Australian symphony orchestra that was initially formed in 1908. Since its opening in 1973, the Sydney Opera House has been its home concert hall. Simone Young is the orchestra's chief conductor and firs ...

, Australia * Syracuse Symphony Orchestra, US

Arts and entertainment

*'' Starship Operators'', a Japanese sci-fi novel and anime television series *'' Super Surgical Operation'', a Japanese video game also known as ''Trauma Center: Under the Knife''

Science and technology

Spaceflight

* Scaled Composites SpaceShipOne, the vehicle used in the first privately funded human spaceflight *

Semi-synchronous orbit A semi-synchronous orbit is an orbit with a period equal to half the average rotational period of the body being orbited, and in the same direction as that body's rotation. For Earth, a semi-synchronous orbit is considered a medium Earth orbit, w ...

, a type of orbit *

Single-stage-to-orbit A single-stage-to-orbit (SSTO) vehicle reaches orbit from the surface of a body using only propellants and fluids and without expending tanks, engines, or other major hardware. The term usually, but not exclusively, refers to reusable vehicles ...

, a reusable vehicle that reaches space without jettisoning hardware * Space Shuttle Orbiter, a reusable space vehicle formerly operated by NASA *

Sun-synchronous orbit A Sun-synchronous orbit (SSO), also called a heliosynchronous orbit, is a nearly polar orbit around a planet, in which the satellite passes over any given point of the planet's surface at the same local mean solar time. More technically, it is ...

, a type of orbit * Swiss Space Office, national space program of Switzerland

Computing

* Single sign-on, allowing access to multiple software systems using one login * Structure, sequence and organization, a US legal term relating to computer programs and copyright

Electronics

*Simultaneous switching output, also known as simultaneous switching noise (SSN), or ground bounce

Astronomy

Siding Spring Observatory Siding Spring Observatory near Coonabarabran, New South Wales, Australia, part of the Research School of Astronomy & Astrophysics (RSAA) at the Australian National University (ANU), incorporates the Anglo-Australian Telescope along with a coll ...

, an astronomical observatory in Australia * Solar System Object

Other uses

Sanitary sewer overflow Sanitary sewer overflow (SSO) is a condition in which untreated sewage is discharged from a sanitary sewer into the environment prior to reaching sewage treatment facilities. When caused by rainfall it is also known as wet weather overflow. Cause ...

, when untreated sewage is discharged into the environment * Senior station officer (New Zealand Fire Service), a rank in the New Zealand Fire Service *

Source-separated organics Source-separated organics (SSO) is the system by which waste generators segregate compostable materials from other waste streams at the source for separate collection. Types of materials Organic materials, such as yard trimmings, food scraps, wo ...

, a system for separating compostable materials from other waste streams * Student Switch Off, a UK-based energy saving campaign *''Sydney Star Observer'', an LGBT newspaper in Sydney, Australia *

South Sudan Oyee! "South Sudan Oyee!" is the national anthem of South Sudan; it was selected as such by the South Sudan National Anthem Committee of the Sudan People's Liberation Movement following the launch of a competition to find a national anthem in August ...

, the national anthem of

South Sudan South Sudan (; din, Paguot Thudän), officially the Republic of South Sudan ( din, Paankɔc Cuëny Thudän), is a landlocked country in East Africa. It is bordered by Ethiopia, Sudan, Central African Republic, Democratic Republic of the C ...