Last name Ιάσων (Iason 
, Ιάσων , Jasono 
) , around the globe, is quite a rare surname. The family name Ιάσων is habitual in Georgia, where it is quite a common surname, Greece, and Cyprus, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Greece, Georgia, and Indonesia. Likewise, Ιάσων is the forename as well as the last name.