Surname הייס (Hays 
, Heiss 
, הייס 
) , all over the world, is a common last name. The surname הייס is characteristic of Austria, where it is quite a common surname, the United States, and Namibia, where it is quite a rare surname. In absolute terms, it is commonest in the United States, Germany, and Austria. Very seldom, הייס is the forename as well as the last name.