Cognomen 贝松 (Besson 
, 贝松 
) , in the world, is a common last name. The last name 贝松 is habitual in France, where it is quite a common surname, Switzerland, and Trinidad and Tobago, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in France, Switzerland, and the United States. Very seldom, 贝松 is the forename as well as the last name.