Last name Hengja (Henge 
, Hengja 
) , in the world, is a rare family name. The family name Hengja is habitual in Papua New Guinea, where it is quite a rare surname, Bulgaria, where it is a rare surname, and South Africa. In absolute terms, it is the most numerous in South Africa, Germany, and Tanzania. Very seldom, Hengja is the forename as well as the last name.