DSI

DSI may refer to:

Abbreviations

DSI is an initialism for the following companies:

Daiichi Sankyo, Incorporated
Dave Smith Instruments, an American synthesizer company
DaySmart Software, Inc., a software 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 former Canadian software house
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

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

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

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

Depolarization-induced suppression of inhibition, a type of modulation of inhibitory neurotransmission
Diffused Surface Illumination, a multi-touch technique using a special acrylic Endlighten that disperses even light supplied by edge lighting the acrylic.
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

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 Signal 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