Family name Шассан (Chassagne 
, Chassang 
, Шассан 
) , globally, is quite a common last name. The cognomen Шассан is characteristic of Saint Lucia, where it is quite a common surname, France, where it is quite a rare surname, and Haiti. Measured by absolute frequency, it is the most numerous in France, the United States, and Haiti. Very seldom, Шассан is the forename as well as the last name.