Worldwide, גיאו (Gyau 
, גיאו 
) is a rare masculine first name. The forename גיאו is habitual in Ghana, where it is quite a rare male name, Nigeria, where it is a very rare dominantly boy's, but seldom feminine name, and India, where it is an extremely rare epicene name. More prevalently, גיאו is the last name as well as the forename.