Around the world, Орестис (Orestis 
, Орестис 
) is quite a common boy's first name. The first name Орестис is habitual in Greece, where it is quite a common boy's name, Cyprus, and Albania, where it is quite a rare masculine name. Measured by absolute frequency, it is the most numerous in Greece, Cyprus, and Indonesia. Very seldom, Орестис is the last name as well as the forename.