Family name Aruja (Aruja 
, Аруя 
) , all over the world, is a rare cognomen. The surname Aruja is characteristic of Estonia, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Kenya. Not in comparison with a country's population, this name is the most popular in India, Kenya, and Estonia. Also, Aruja is the forename as well as the last name.