Surname اوستاد (Ostade 
, Austad 
, اوستاد 
) , around the globe, is quite a rare last name. The last name اوستاد is characteristic of Norway, where it is quite a common surname, Belgium, where it is a rare surname, and New Zealand. Measured by absolute frequency, it most frequently occurs in Norway, the United States, and Iran. Very seldom, اوستاد is the forename as well as the last name.