Cognomen シラー (Schiller 
, Schirru 
, Schirra ) , throughout the world, is a common last name. The last name シラー is habitual in Germany, where it is quite a common surname, Austria, and Eswatini, where it is quite a rare surname. In absolute terms, it most frequently occurs in Germany, the United States, and Italy. Very seldom, シラー is the forename as well as the last name.