OSI

OSI may refer to:

Places

• Osijek Airport (IATA code: OSI), an airport in Croatia
• Ősi, a village in Veszprém county, Hungary
• Oši, an archaeological site in Semigallia, Latvia
• Osi, a village in Ido-Osi, Ekiti State, Nigeria
• Osi, Ekiti LGA.Kwara State, Nigeria

Organizations

• Oblates of St. Joseph, a Roman Catholic Religious order that uses the postnominal initials O.S.I.
• Open Source Initiative, an organization dedicated to promoting open source software
• Open Society Institute, a private charitable foundation established by George Soros to promote open societies around the world
• Open Society Institute-Baltimore, a locally based foundation that is part of Open Society Foundations
• Open Space Institute, an organization that seeks to preserve scenic, natural and historic landscapes
• Ordnance Survey International, a former subsidiary of the UK Ordnance Survey mapping agency
• Ordnance Survey Ireland (Suirbhéireacht Ordanáis Éireann)
• Otto-Suhr-Institut, the political-science institute of the Free University of Berlin

Companies

• OSI Group, an American holding company of meat processors that service the retail and food service industries
• OSI Pharmaceuticals, an American pharmaceutical company
• OSI Restaurant Partners, the restaurant and entertainment group that includes Outback Steakhouse
• OSI Systems, a company that manufactures security scanners and medical equipment based in California
• OSIsoft, a privately held company that develops device connectivity software
• Objective Systems Integrators, a company that provides monitoring software for communication networks
• Open Systems International, an automation software vendor for the electric, petroleum, transportation and water industries
• Officine Stampaggi Industriali, a defunct Italian coachbuilder
• Ohio Scientific Inc. (also known as Ohio Scientific Instruments), a US microcomputer manufacturer 1975–1981

Government

• Office of Scientific Intelligence, former name of a department of the Central Intelligence Agency now called the Directorate of Science and Technology
• Office of Strategic Influence, a former American government agency, part of the Department of Defense and focused on psychological warfare
• Office of Special Investigations (disambiguation), a name shared by several government agencies
  • U.S. Air Force Office of Special Investigations
  • Office of Special Investigations (Government Accountability Office)
  • Office of Special Investigations (United States Department of Justice)
• Office of Scientific Integrity, now United States Office of Research Integrity
• Office of Special Investigation, a secret intelligence unit of Republic of Korea Air Force
• Office of the Special Investigator Australia

Technology

• Open Systems Interconnection, (ISO 7498) a joint ISO and ITU-T standard for computer networks and communication protocols
  • OSI model, a layered description for communications and computer network protocol design
  • OSI protocols
• Open switching interval, a type of disconnect supervision in telecommunication
• On-Site Inspection, an advanced measure technique combining several methods, especially used in order to detect nuclear tests

Arts and entertainment

• OSI (band), an American progressive rock supergroup named after the former Office of Strategic Influence government agency
  • Office of Strategic Influence (album), the 2003 debut album by the band OSI
• Origin Systems, a former United States computer game developer
• Orchestra della Svizzera Italiana, an orchestra in southern Switzerland in the city of Lugano which is in the canton of Ticino

Fiction

• Office of Scientific Intelligence a fictional United States government agency in several television programs and movies;
• Office of Secret Intelligence, a fictional United States government secret agency in the animated series The Venture Bros.

People

• Osi (ancient tribe), an ancient tribe in Europe
• Alans (ancient term Osi), an ancient tribe in the Caucasus
• Osi Umenyiora (born 1981), former American football player
• Osi Rhys Osmond (1942–2015), Welsh painter
• Jean-Paul Appel, also known as Osi, leader of the UFO religion Siderella

Other uses

• Order of the Star of Italy, an order of chivalry
• Official sector involvement, in sovereign debt restructuring deals, as opposed to private sector involvement
• Options Symbology Initiative, a plan to change the way that exchange-traded options are named in option symbol
• Out-of-station interchange, a pedestrian change between two London Underground stations that allows continuity as part of one chargeable journey

See also

• Osis (disambiguation)

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