Surname Daizo (Daizo 
, ไดโซ 
) , in all the world, is quite a rare cognomen. The family name Daizo is habitual in Benin, where it is quite a rare surname, Japan, where it is a rare surname, and Argentina, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Japan, Benin, and China. Also, Daizo is the forename as well as the last name.