Cognomen Брейер (Breyer 
, Брейер 
) , globally, is quite a common family name. The surname Брейер is habitual in Western Europe, particularly Luxembourg, where it is quite a rare surname, Germany, and Austria. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Brazil. Very seldom, Брейер is the forename as well as the last name.