Surname Гаен (Haen 
, Гаен 
) , in all the world, is quite a rare family name. The family name Гаен is habitual in Western Europe, particularly Netherlands, where it is quite a rare surname, Belgium, where it is a rare surname, and France. Not in comparison with a country's population, it most frequently occurs in the United States, France, and Indonesia. Very seldom, Гаен is the forename as well as the last name.