Last name Жанс (Gence 
, Жанс 
) , around the world, is quite a rare surname. The family name Жанс is habitual in Reunion, where it is quite a common surname, Azerbaijan, where it is quite a rare surname, and France. Measured by absolute frequency, this name is the most popular in France, Turkey, and Azerbaijan. Much less frequently, Жанс is the forename as well as the last name.