Cognomen בלאנש (Blanche 
, בלאנש 
) , all around the world, is a common family name. The surname בלאנש is habitual in Reunion, where it is quite a common surname, Algeria, and Cameroon (explore the name in all countries). In absolute terms, it is the most numerous in Algeria, Cameroon, and France. More prevalently, בלאנש is the forename as well as the last name.