Surname Kousaku (Kousaku ) , in the entire world, is an extremely rare family name. Predominantly, Kousaku is the forename as well as the last name.
Kōsaku, Косаку, and コウサク
Ota, Kawakita, Hoshino, Haruguchi, Shibata, Maehata, Matsuda, Yokota, Ohtake, Otsuka, Nemoto, Tomita, Adachi, Suzuki, Igawa, Inada, Chida, Saito, Ohno, Niwa, Sato, Sano, Ishiguro, and Nishikawa
) , in the entire world, is an extremely rare family name. Predominantly, Kousaku is the forename as well as the last name.