Last name Ляйтнер (Leitner 
, Ляйтнер 
) , around the globe, is a common cognomen. The cognomen Ляйтнер is habitual in Austria, where it is a common surname, Hungary, where it is quite a rare surname, and Germany. In absolute terms, it is commonest in Austria, Germany, and the United States. Very seldom, Ляйтнер is the forename as well as the last name.