Family name Kaje (Kaje 
, Кайе 
) , in all the world, is quite a rare surname. The family name Kaje is habitual in Qatar, where it is quite a rare surname, Oman, and Tanzania, where it is a rare surname. In absolute terms, it is commonest in India, Tanzania, and Nigeria. Very seldom, Kaje is the forename as well as the last name.