Cognomen Байе (Bayet 
, Baillet 
, Байе 
) , worldwide, is quite a common last name. The family name Байе is habitual in Western Europe, particularly France, where it is quite a common surname, Belgium, where it is quite a rare surname, and Luxembourg. Not in comparison with a country's population, it is commonest in France, Belgium, and Turkey. Much less frequently, Байе is the forename as well as the last name.