Family name Мацунага (Teitoku 
, Hisahide 
, Matsunaga 
) , across the world, is quite a rare last name. The cognomen Мацунага is characteristic of Brazil, where it is a rare surname, Hong Kong, and Japan. Not in comparison with a country's population, it most frequently occurs in Brazil, Japan, and the United States. More frequently, Мацунага is the forename as well as the last name.