Surname トミオ (Tomio 
, トミオ ) , all around the world, is quite a common cognomen. The cognomen トミオ is habitual in Japan, where it is quite a rare surname, Brazil, where it is a rare surname, and Austria. In absolute terms, the name is most common in Japan, Brazil, and Italy. Much less frequently, トミオ is the forename as well as the last name.