Last name Jean-Benoist (Jean-Benoist 
) , all over the world, is an extremely rare surname. Much more prevalently, Jean-Benoist is the forename as well as the last name. Parts of the name also exists independently as a first name Jean, and a last name Benoist.
Werth, Moussy, Meyniel, Duburcq, Joussant, Barthelemy, and Heitzmann-Massenez