Surname Austr (Aust 
, Austur 
, Austr 
) , worldwide, is a common last name. The last name Austr is habitual in Fiji, where it is quite a common surname, Germany, where it is quite a rare surname, and Paraguay. In absolute terms, it most frequently occurs in Germany, the United States, and Bangladesh. Very seldom, Austr is the forename as well as the last name.