Surname ジャンス (Cansu 
, Jance 
, Gens ) , around the globe, is a common family name. The surname ジャンス is characteristic of Turkey, where it is quite a rare surname, Albania, and Israel. Not in comparison with a country's population, this name is the most popular in Turkey, France, and Germany. More prevalently, ジャンス is the forename as well as the last name.