Family name Жанен (Janin 
, Janen 
, Zhanen 
) , all over the world, is a common cognomen. The family name Жанен is characteristic of Western Europe, particularly France, where it is quite a rare surname, Switzerland, and Luxembourg. Not in comparison with a country's population, it most frequently occurs in France, Thailand, and Argentina. Also, Жанен is the forename as well as the last name.