In the world, Lonjon (Lonjon 
) is a very rare unisex first name. The given name Lonjon is characteristic of Western Europe, particularly France, where it is a very rare gender-neutral name. Much more frequently, Lonjon is the last name as well as the forename.
Mr, Anais, Annie, Robin, Roger, David, Laure, Louis, Lucie, Julie, Nanou, Henri, Marcel, Maxime, Michel, Sophie, Sylvie, Arthur, Adrien, Claire, Benoit, Pascal, Andre, Alain, Serge, Simon, Ms, Sã, Rã, Guy, Luc, Jol, Jã, Anne, Kiki, Paul, Pierre, Rene, Rudy, Léa, John, Jean, Eric, Iris, Yves, Marie, Manon, Mateo, Remy, and Romane