OSI
OSI stands for
- United States Air Force Office of Special Investigations, a federal agency of the United States Air Force
- Office of Special Investigations, a U.S. Department of Justice for prosecution of Nazi war criminals
- Office of Strategic Influence, U.S. military facility
- Officine Stampaggi industrialization, former Italian automotive and bodywork manufacturer
- Open Society Institute Foundation
- Open Source Initiative, organization for the promotion of open source software
- Origin Systems, American computer game manufacturer
- OSI Group, network of companies and production sites of the food industry
- OSI (band), progressive rock band
- Osijek in Croatia ( IATA airport code )
- Otto Selz Institute for Applied Psychology at the University of Mannheim
- Otto -Suhr- Institute, Department of Political Science at the Free University of Berlin
- OSI model, Open Systems Interconnection Model, ISO OSI 7- layer model for network protocols
- Open Competition for Iceland horses
- Ford OSI 20 M TS, a car model that was produced in collaboration between Ford and Officine Stampaggi industrialization
Osi is
- The Latin name of an Illyrian tribe people, see Oser (Parent )
- Disambiguation
- Abbreviation