In all the world, Дюваль (Duval 
, Duvall 
, Дюваль 
) is a common predominantly masculine, but scarcely feminine first name. The forename Дюваль is habitual in Sub-Saharan Africa, particularly Reunion, where it is quite a common girly name, the Democratic Republic of the Congo, where it is quite a common male name, and Cameroon, where it is quite a rare predominantly boy's, but scarcely female name. In absolute terms, it is the most numerous in the Democratic Republic of the Congo, Cameroon, and Brazil. More frequently, Дюваль is the last name as well as the forename.
Дюваль is also a name for the fictitious and mythical characters: Duval , the fictional character from One Piece; Duval , the operatic character in the opera Der Kuhreigen and Duval , the operatic character in the opera Der vierjährige Posten.