HEO may refer to:
- Heo, a Korean surname
- Heo (pronoun), an Old English pronoun
- Haelogo Airport in Papua New Guinea
- Heng On station, in Hong Kong
- High Earth orbit
- Higher Executive Officer, a grade within the United Kingdom's Civil Service
- Highly elliptical orbit
- Hockey Eastern Ontario
- KK HEO, a Bosnian basketball club
This disambiguation page lists articles associated with the title HEO.
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