Surname Баур (Baur 
, Баур 
, Baour 
) , all around the world, is a common cognomen. The cognomen Баур is habitual in Western Europe, particularly Switzerland, where it is quite a common surname, Germany, and Austria, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Germany, India, and Switzerland. Much less frequently, Баур is the forename as well as the last name.