Last name كولسن (Colson 
, كولسن 
) , globally, is a common cognomen. The family name كولسن is habitual in New Zealand, where it is quite a common surname, Belgium, and Luxembourg, where it is quite a rare surname. In absolute terms, it most frequently occurs in the United States, France, and Belgium. Much less frequently, كولسن is the forename as well as the last name.