DSI may refer to:

Abbreviations

  • DontStayIn, a social networking website

Airport

  • IATA airport code for Destin Executive Airport

Businesses

DSI is an initialism for the following companies:

  • Daiichi Sankyo, Incorporated
  • Data Sciences International, a company in Saint Paul, United States
  • Dave Smith Instruments, an American synthesizer company
  • Deep Space Industries, American-based asteroid mining startup
  • Deep Springs International
  • Delphi Schools, Inc.
  • Delphine Software International, a now bankrupt software company
  • Destination Software, Inc., a video game company
  • Distinctive Software Inc., a video game company
  • Diversified Specialty Institute Holdings, Inc., a US-based healthcare group
  • Drivetrain Systems International, an Australian automotive transmissions manufacturer
  • DYWIDAG Systems International, an international supplier of ground anchors and post-tensioning systems
  • State Hydraulic Works (Turkey) (Turkish: Devlet Su İşleri (DSİ)), a state agency in Turkey

Education

  • Decision Sciences Institute, a professional association focusing on the application of quantitative research and qualitative research to the decision problems of individuals, organizations, and society
  • Deutsche Schule Istanbul, a private high school in Istanbul

Gaming

  • Dead Space Ignition, a video game in the Dead Space series
  • Nintendo DSi, Nintendo's third iteration of the Nintendo DS handheld game console

Music

  • Dope Stars Inc., an industrial metal band formed in 2002

Organizations and institutions

  • Special Intervention Detachment, an Algerian Special Forces Unit of the National gendarmerie for counter-terrorism actions
  • Data Storage Institute, a Singaporean national research institute
  • Department of Special Investigation, a Thai government organization for special investigation
  • Dienst Speciale Interventies, a Dutch government organization for counter-terrorism actions
  • DSI Samson Group, a Sri Lankan conglomerate
  • Deutsches SOFIA Institut, an institute helping develop SOFIA

Police

  • Detective Superintendent

Science, mathematics and medicine

  • Depolarization-induced suppression of inhibition, a type of modulation of inhibitory neurotransmission
  • Diffused Surface Illumination, a multi-touch technique using edge lighting
  • Digital sequence information, information from sequenced DNA and other large molecules such as RNA or proteins, which can be processed digitally
  • The Stuttgart Database of Scientific Illustrators 1450–1950

Technology

  • Data storage interrupt, the name used for a segmentation fault on PowerPC-based processors
  • Data Stream Interface, computer network protocol to run Apple Filing Protocol over TCP
  • Delay slot instruction, a term from computer architecture
  • Digital Serial Interface, a protocol for controlling of lighting in buildings
  • Display Serial Interface, a serial protocol for mobile display devices
  • Diverterless supersonic inlet, a type of jet engine air intake

Other uses

  • Dance Club Songs, a former Billboard chart with the shortcut "DSI"

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