Cognomen ハウアー (Hauer 
, ハウアー) , in the world, is a common surname. The family name ハウアー is habitual in Austria, where it is quite a common surname, Germany, where it is quite a rare surname, and Czechia. In absolute terms, it is commonest in Germany, Austria, and the United States. Very seldom, ハウアー is the forename as well as the last name.