# CSI

CSI may refer to:

## Arts, entertainment, and media
### CSI franchise

* CSI (franchise)
** CSI: Crime Scene Investigation, the original CSI television series, set in Las Vegas
** CSI: Miami, the first spin-off series starring David Caruso
** CSI: NY, the second spin-off series starring Gary Sinise
** CSI: Cyber, the third spin-off series starring Patricia Arquette
** CSI: Vegas, the fourth spin-off series and a sequel to the original
** CSI: Trilogy, the three-part television event featuring the casts of CSI: Crime Scene Investigation, CSI: Miami, and CSI: NY
** CSI (comics)
** CSI (novels)
** CSI (video games)
** CSI: The Experience, a traveling exhibition

### Music

* Consorzio Suonatori Indipendenti, an Italian musical group
* CSI:Ambleside, a 2008 album by British band Half Man Half Biscuit

### Other arts, entertainment, and media

* CSI Sanatan, 2023 Indian Telugu-language film by Sivashankar Dev
* Carnaby Street (radio programme), Saturday morning Manx Radio broadcast featuring music and news from the 1960s

## Enterprises and organizations

* Centre for Social Impact, a network of research centres across four Australian universities
* Centre for Social Innovation, a social enterprise based in Toronto, Canada
* Centre for Social Investigation, an interdisciplinary research group in Oxford, England
* City Supermarket, Inc., a grocery chain based in Pangasinan, Philippines
* Coimisiún Sábháilteachta Iarnróid, the Railway Safety Commission of Ireland
* Computer Security Institute, a former professional association in the United States
* Computer Society of India, a professional association
* Computers and Structures, Inc., a structural engineering software company
* Construction Specifications Institute, a technical society in the United States
* Crime Stoppers International

## Paranormal

* Civilian Saucer Intelligence, an unidentified flying object research group
* Committee for Skeptical Inquiry, an organization for skeptical paranormal investigation

## Places

* Cité des Sciences et de l'Industrie in Paris

## Post-nominals

* Companion of the Order of the Star of India, a class of the order of chivalry founded by Queen Victoria
* Cross of Solomon Islands, a class of the Order of the Solomon Islands

## Religion

* Christian Schools International
* Christian Solidarity International
* Church of Scientology International
* Church of South India

## Schools and educational institutions

* Canadian Securities Institute, a financial education company providing professional credentials and compliance courses
* Cité Scolaire Internationale de Grenoble, an international school in Grenoble, France
* Cité Scolaire Internationale de Lyon, an international school in Lyon, France
* College of Southern Idaho, a community college in the United States
* College of Staten Island, part of The City University of New York in the United States

## Sport

* Commission Sportive Internationale, a governing body for motor racing
* Concours de Saut International, a ranking system for show jumping
* CueSports International, a pool (pocket billiards) event promotion company and league organizer, affiliated with the Billiard Congress of America

## Technology

* Camera Serial Interface, an MIPI Alliance protocol for cameras and mobile devices
* Channel state information, a wireless communication term
* Coherence scanning interferometry, an areal surface topography technique related to 3D interference microscopy
* Common System Interface, a former name of the Intel QuickPath Interconnect, a computer bus
* Control Sequence Introducer, a control character for initiating escape sequences
* Crystalline silicon (c-Si), used in solar cell technology
* Conditional symmetric instability, a form of convective instability in a fluid

## Other uses

* California Solar Initiative, a renewable energy program
* Chlorosulfonyl isocyanate
* Complex specified information, an argument for intelligent design
* Container Security Initiative, a program of the U.S. Bureau of Customs and Border Protection
* CSI 300 Index, a stock market index compiled by the China Securities Index Company
* Customer satisfaction index, a metric that reflects the overall customer satisfaction with a company in terms of product quality, customer service, price, etc.