HEO

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