Cognomen Шатлен (Chatelain 
, Шатлен 
) , in the entire world, is a common surname. The cognomen Шатлен is habitual in France, where it is quite a common surname, Switzerland, and Eswatini, where it is quite a rare surname. Measured by absolute frequency, it is commonest in France, the United States, and Switzerland. Much less frequently, Шатлен is the forename as well as the last name.