Last name シュウゾウ (Shuzo 
, シュウゾウ ) , in the world, is quite a rare surname. The family name シュウゾウ is habitual in Japan, where it is quite a rare surname, Taiwan, where it is a rare surname, and Spain, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Eastern Asia, particularly Japan, Taiwan, and China. Much less frequently, シュウゾウ is the forename as well as the last name.