Family name Jirou (寄柔 
, ジロウ 
, Jirou 
) , globally, is a common cognomen. The family name Jirou is habitual in Japan, where it is quite a rare surname, Algeria, where it is a rare surname, and Morocco. In absolute terms, it most frequently occurs in Japan, China, and Algeria. Very seldom, Jirou is the forename as well as the last name.