STO may refer to:

Businesses and organizations

Government

* Science & Technology Organization, a NATO organization * '' Service du travail obligatoire'', French men & women between certain ages deported to Germany during WWII to work as slave labour *

Société de transport de l'Outaouais Société de transport de l'Outaouais (STO) is the transit service of the Outaouais region of Quebec. It operates conventional services and the Rapibus, a bus rapid transit service, in Gatineau, Quebec, including the districts of Hull, Aylmer, G ...

, a public transit operator in Gatineau, Quebec, Canada *

Sojourner Truth Organization Sojourner Truth Organization was a new communist group formed in the winter of 1969, prominent in the Midwest through 1985. Oriented towards organization in the workplace, and named after African American activist Sojourner Truth, the organizati ...

, a defunct American leftist group * Sovet Truda i Oborony (Совет труда и обороны):

Council of Labor and Defense The Council of Labor and Defense (Russian: Совет труда и обороны (СТО) Sovet Truda i Oborony, Latin acronym: STO), first established as the Council of Workers' and Peasants' Defense in November 1918, was an agency responsible fo ...

, a Soviet central planning agency of the 1920s *

United States Air Force Special Tactics Officer A United States Air Force Special Tactics Officer ( AFSC 19ZXA) is a United States Air Force Special Operations Command (AFSOC) Special Warfare Officer who manages the training and equipping of U.S. Air Force ground special operations. Special Tact ...

Non-governmental organizations

State Trading Organization The State Trading Organization Plc ( MSE:ST or STO is a public company with 81.63% of the shares owned by the Maldivian Government with the rest 18.37% being held by the public after the IPO a couple of years ago. The company is controlled by a ...

, a publicly owned Maldivian company *

Statoil Equinor ASA (formerly Statoil and StatoilHydro) is a Norwegian state owned enterprise, state-owned multinational energy company headquartered in Stavanger. It is primarily a petroleum company, petroleum company, operating in 36 countries with ad ...

, a publicly traded Norwegian oil company

Science and technology

* Semi-automatic train operation *

Slater-type orbital Slater-type orbitals (STOs) are functions used as atomic orbitals in the linear combination of atomic orbitals molecular orbital method. They are named after the physicist John C. Slater, who introduced them in 1930. They possess exponential decay ...

, atomic orbitals *

STO-nG basis sets STO-''n''G basis sets are minimal basis sets, where n primitive Gaussian orbitals are fitted to a single Slater-type orbital (STO). n originally took the values 2 – 6. They were first proposed by John Pople. A minimum basis set is where only su ...

, of orbitals

Sports

* Space Tornado Ogawa, a professional wrestling throw * SportsTime Ohio, a regional sports network in northeast Ohio, United States

Arts and entertainment

* Soldiers of the One, a group in the TV series ''

Caprica ''Caprica'' is an American science fiction drama television series. A spin-off prequel of the re-imagined '' Battlestar Galactica'' (2004), Caprica is set 58 years before the main series. ''Caprica'' shows how humanity first created the Cylo ...

'' *

Star Trek Online ''Star Trek Online'' is a massively multiplayer online role-playing game (MMORPG) developed by Cryptic Studios based on the ''Star Trek'' franchise. The game is set in the 25th century, 30 years after the events of '' Star Trek: Nemesis''. ''Sta ...

, a massively multiplayer online role-playing game * STO, a posture emoticon used for representing a great admiration or great despair, see Emoticon#Orz * Sto, pen name of illustrator

Sergio Tofano Sergio Tòfano (20 August 1886 – 28 October 1973) was an Italian actor, director, playwright, scene designer and illustrator. Tofano was born in Rome. In 1909, he made his first appearance on stage with Ermete Novelli, then joined Virgil ...

Transport

* STO, the National Rail station code for

South Tottenham railway station South Tottenham is a railway station on the east–west Gospel Oak to Barking Line of the London Overground. It is located on the eastern side of the north–south A10 High Road in Tottenham, North London, from (measured via Kentish Town an ...

, London, England * The airports of

Stockholm Stockholm () is the Capital city, capital and List of urban areas in Sweden by population, largest city of Sweden as well as the List of urban areas in the Nordic countries, largest urban area in Scandinavia. Approximately 980,000 people liv ...

, Sweden, by IATA code

Other uses

* Safe Torque Off, an electronic signal used in industrial drives for safety function * Security token offering, a type of public offering in which tokenized digital securities, are sold in cryptocurrency exchanges * Stø, a village in Norway * Stoney language (ISO 639-3 code) *

STO (professional wrestling) Professional wrestling throws are the application of professional wrestling techniques that involve lifting the opponent up and throwing or slamming them down. They are sometimes also called "power" maneuvers, as they are meant to emphasize a wrest ...

, a maneuver in professional wrestling