Family name Дюваль (Duval 
, Duvall 
, Дюваль 
) , in all the world, is a common cognomen. The cognomen Дюваль is habitual in France, where it is quite a common surname, Mauritius, and the Dominican Republic (explore the name in all countries). Measured by absolute frequency, it is commonest in France, the United States, and Canada. Very seldom, Дюваль is the forename as well as the last name.