Surname Аджу (Aju 
, Аджу 
) , throughout the world, is a common cognomen. The cognomen Аджу is habitual in Guatemala, where it is quite a common surname, United Arab Emirates, where it is quite a rare surname, and Qatar. In absolute terms, it is the most numerous in Guatemala, Nigeria, and India. More prevalently, Аджу is the forename as well as the last name.