Family name Кошон (Кошон 
, Cauchon 
) , across the world, is quite a rare surname. The last name Кошон is characteristic of Canada, where it is quite a rare surname, France, where it is a rare surname, and Kyrgyzstan. In absolute terms, it is the most numerous in Canada, France, and the United States. Very seldom, Кошон is the forename as well as the last name.