Cognomen Хосокава (Okiaki 
, Hosokawa 
, Aritaka 
) , in the world, is quite a rare last name. The last name Хосокава is characteristic of Hong Kong, where it is quite a rare surname, Singapore, where it is a rare surname, and Japan. Not in comparison with a country's population, this name is the most popular in Japan, Brazil, and the United States. Very seldom, Хосокава is the forename as well as the last name.