Family name Kuju (Kuju 
) , in all the world, is a common surname. The family name Kuju is characteristic of Japan, where it is quite a common surname, Malaysia, where it is a rare surname, and Tanzania. In absolute terms, it is the most numerous in Japan, India, and Nigeria. Very seldom, Kuju is the forename as well as the last name.
Mr, Shoji, Seiji, Seiyu, Akira, Kazuo, Kenji, Kenzo, Keiji, Keizo, Shiro, Kunio, Kyoko, Ryoji, Deniz, Jacob, Junko, Junzo, Jimoh, Jitsu, Takao, Kigbu, Sadao, Masao, Yuji, Ko, Jo, To, Ho, Sho, Sri, Sdf, Kun, Kin, Suru, Akio, Buju, Koji, Raju, Renu, John, Eiji, Eiyu, Haru, Ikuo, Yuzo, Takeo, and Tomio