Last name 杜蒙 (Dumont 
, 杜蒙 
) , all over the world, is a common surname. The cognomen 杜蒙 is characteristic of France, where it is quite a common surname, Belgium, and Grenada (explore the name in all countries). Measured by absolute frequency, it is commonest in France, Canada, and the United States. Very seldom, 杜蒙 is the forename as well as the last name.