Cognomen Вагенер (Wagener 
, Вагенер 
) , worldwide, is a common family name. The cognomen Вагенер is habitual in Luxembourg, where it is a common surname, Germany, where it is quite a common surname, and Paraguay, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Germany, the United States, and South Africa. Much less frequently, Вагенер is the forename as well as the last name.