Last name Kinja (Kinja 
, Кинжа 
) , around the world, is a rare cognomen. The family name Kinja is habitual in Sub-Saharan Africa, particularly Kenya, where it is quite a rare surname, the Democratic Republic of the Congo, where it is a rare surname, and Tanzania, where it is a very rare surname. In absolute terms, the name is most common in Kenya, the Democratic Republic of the Congo, and India. Very seldom, Kinja is the forename as well as the last name.