Family name 拜尔 (Bayer 
, Beyer , Baier 
) , throughout the world, is a widespread cognomen. The surname 拜尔 is habitual in Germany, where it is a common surname, Marshall Islands, and Vanuatu (explore the name in all countries). Not in comparison with a country's population, it is commonest in Germany, the United States, and Turkey. Much less frequently, 拜尔 is the forename as well as the last name.