CHI
# CHI

The initialism CHI may refer to:

## Health

* Catholic Health Initiatives, a hospital network in the United States
* Child Health International, UK-based charity
* Commission for Health Improvement, former UK body
* Community Health Index, Scotland
* Comprehensive health insurance
* Creatinine height ratio, estimating protein in body composition

## Places & Sports Teams

* An abbreviation for the U.S. city of Chicago, Illinois and its major professional sports teams
   * Chicago Bears of the National Football League
   * Chicago Blackhawks of the National Hockey League
   * Chicago Bulls of the National Basketball Association
   * Chicago Cubs, also CHC, of Major League Baseball
   * Chicago Fire of Major League Soccer
   * Chicago White Sox, also CWS, of Major League Baseball
* Chile (in sports: IOC and FIFA code CHI)
* Channel Islands, a UK dependency (Chapman code: CHI)

## Science and technology

* Carvill Hurricane Index
* Computer–human interaction or human–computer interaction
   * CHI (conference)
* CHI (compiler), an Intel C compiler for heterogeneous integration
* Hyperbolic cosine integral, in trigonometry

## Transit

* Chingford railway station, United Kingdom — railway station code
* CHI, the IATA code for all Chicago airports
* CHI, the Amtrak code for Chicago Union Station

## Other

* Chichester and Harbour Independents, a minor British political party (Chichester, England)
* Columbia Helicopters, an American aircraft manufacturer
* CHI, one of Longwood University § Secret societies (Virginia, USA)
* Cationic Hydration Interlink, a hair-care brand owned by Farouk Systems (founded by Farouk Shami).
