Cognomen 贝桑松 (Besancon 
, 贝桑松) , all around the world, is quite a rare surname. The last name 贝桑松 is characteristic of Western Europe, particularly France, where it is quite a rare surname, Switzerland, and Netherlands, where it is a rare surname. In absolute terms, it is commonest in France, the United States, and Switzerland. Much less frequently, 贝桑松 is the forename as well as the last name.