Last name Байлер (Byler 
, Байлер 
) , around the world, is quite a common surname. The cognomen Байлер is habitual in the United States, where it is quite a rare surname, Poland, where it is a rare surname, and Canada. Not in comparison with a country's population, it most frequently occurs in the United States, Brazil, and Poland. Much less frequently, Байлер is the forename as well as the last name.