Last name Дюби (Duby 
, Diubi 
, Дюби 
) , in the entire world, is quite a rare cognomen. The cognomen Дюби is characteristic of Western Europe, particularly France, where it is quite a rare surname, Belgium, where it is a rare surname, and Switzerland. In absolute terms, it most frequently occurs in India, the United States, and France. Very seldom, Дюби is the forename as well as the last name.