HEO

Template:Sister project HEO may refer to:

• Heo, a Korean surname
• Heo (pronoun), an Old English pronoun
• Haelogo Airport in Papua New Guinea, IATA code HEO
• Heng On station, in Hong Kong
• High entropy oxide, a class of chemical compounds
• Highly elliptical orbit, also called highly eccentric/elongated orbit, an orbit with greatly varying distance
• High Earth orbit, an orbit which is always far from Earth
• Health extension officer, a category of health care providers in some countries
• Higher Executive Officer, a grade within the United Kingdom's Civil Service
• Hockey Eastern Ontario, a Canadian governing body of ice hockey
• KK HEO, a Bosnian basketball club
• FK Hercegovac Bileća, nickname HEO, a football club in Republika Srpska of Bosnia and Herzegovina