Family name Денгис (Dengis 
, Денгис 
, Dengys 
) , in all the world, is a rare last name. The surname Денгис is characteristic of Belgium, where it is quite a rare surname, Kazakhstan, where it is a very rare surname, and Canada. Not in comparison with a country's population, it is commonest in Belgium, Germany, and Canada. Very seldom, Денгис is the forename as well as the last name.