Family name Jeuner (Jeuner 
) , in the world, is a very rare cognomen. The surname Jeuner is characteristic of Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Peru. Measured by absolute frequency, it most frequently occurs in Latin America and the Caribbean, particularly Colombia, Mexico, and Venezuela. Likewise, Jeuner is the forename as well as the last name.