Family name วิทยุ (Radi 
, Radio 
, Rados 
) , globally, is a common cognomen. The family name วิทยุ is habitual in Morocco, where it is quite a common surname, Hungary, and Lebanon (explore the name in all countries). In absolute terms, it is the most numerous in Morocco, Egypt, and Indonesia. Also, วิทยุ is the forename as well as the last name.