Family name Сумио (Sumio 
, Сумио 
) , in the entire world, is quite a rare cognomen. The cognomen Сумио is habitual in Japan, where it is quite a rare surname, Philippines, where it is a rare surname, and Singapore. Not in comparison with a country's population, it most frequently occurs in Japan, Philippines, and China. More frequently, Сумио is the forename as well as the last name.