HCI
# HCI

HCI may refer to:

## Computing

* Happy Computers, an American computer hardware manufacturer
* Home Computer Initiative, a United Kingdom government programme to increase computers usage
* Host controller interface (disambiguation), various computer interfaces
* Human–computer interaction, the study of how people interact with computers
   * Human-computer interaction (security), the study of how people interact with computers concerning information security
* Hyper-converged infrastructure, an IT infrastructure framework for integrating storage, networking and virtualization computing in a data center.

## Education

* Harbord Collegiate Institute, a school in Toronto, Canada
* Humberside Collegiate Institute, a school in Toronto, Canada
* Hwa Chong Institution, a school in Singapore

## Science

* Highly charged ion
* Hot carriers injection, in solid-state electronic devices
* Hydrocarbon indicator, in reflection seismology

## Organizations

* Handgun Control, Inc., the former name of the Brady Campaign to Prevent Gun Violence
* Harrisburg City Islanders, a soccer club from the United States
* HCI Books (Health Communications Inc), an American publishing house, see What the Bleep Do We Know!?
* Human Concern International, a Canadian relief and development organization
* Huntsman Cancer Institute, an American cancer research facility and hospital

## Other uses

* Heavy-Chemical Industry Drive, a former economic development plan of South Korea
