Family name Ауз (Ауз 
) , throughout the world, is a very rare cognomen. The last name Ауз is habitual in Armenia, where it is a rare surname, Ukraine, where it is a very rare surname, and Kazakhstan. Not in comparison with a country's population, it is the most numerous in Armenia, Ukraine, and Russia. Much less frequently, Ауз is the forename as well as the last name.