HEI

HEI may refer to:

Companies and organizations HEI Hospitality, an American hotel owner and operator Hawaiian Electric Industries, the largest supplier of electricity in the state of Hawaii Health Effects Institute, a non-profit focused on the health effects of air pollution HEICO, HEI is the stock symbol for HEICO Corporation

In education Higher education institution Graduate Institute of International and Development Studies (French: ), in Geneva, Switzerland Hautes études d'ingénieur, an engineering school in Lille, France

In language He (letter), the fifth letter of many Semitic alphabets Heiltsuk-Oowekyala language, spoken in Canada

Places Heilongjiang, a province of China Hei District, Chiba, a former administrative unit of Japan Hei Glacier, in Antarctica Hei River, in China Heide–Büsum Airport, in Schleswig-Holstein, Germany Heighington railway station, in England

In science and technology Healthy Eating Index, a measure of diet quality High-efficiency incandescent, a type of incandescent light bulb High energy ignition, an automotive ignition system High explosive incendiary, a type of ammunition Hot-carrier injection, a principle in the function of solid-state electronic devices Human-environment interaction, or Environmental sociology

Other uses Hei (album), 2015 album by Norwegian duo Marcus & Martinus Hei (Darker than Black), protagonist of the 2007 anime Qi, in traditional Chinese culture, a principle forming part of any living thing (Cantonese: hei)

See also Hiei (disambiguation)