Surname Chằn (جن 
, Chằn) , around the world, is quite a rare family name. The cognomen Chằn is characteristic of Northern Africa, particularly Sudan, where it is quite a rare surname, Egypt, and Libya, where it is a rare surname. In absolute terms, the name is most common in Egypt, Sudan, and Saudi Arabia. Likewise, Chằn is the forename as well as the last name.