Family name Исидзаки (Ishizaki 
, Isizaki , Исидзаки 
) , in the entire world, is quite a rare last name. The surname Исидзаки is habitual in Singapore, where it is a rare surname, Japan, and Brazil. Measured by absolute frequency, it is commonest in Brazil, Japan, and the United States. Very seldom, Исидзаки is the forename as well as the last name.