Cognomen Шамсон (Chamson 
, Шамсон 
) , in all the world, is a very rare family name. The cognomen Шамсон is habitual in France, where it is a very rare surname, Argentina, and Chile, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in France, Argentina, and Russia. Also, Шамсон is the forename as well as the last name.