Around the world, Jaillard (Jaillard 
) is an extremely rare unknown gender given name. Much more frequently, Jaillard is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jaillard | Brazil, France, Australia, United States, Italy |
Mr, Denis, David, Laura, Laure, Louis, Julia, Henri, Odile, Marion, Maylis, Michel, Samuel, Sophie, Sylvie, Alexis, Alexia, André, Arthur, Arnaud, Adrien, Agathe, Bruno, Brice, Clara, Celia, Ms, Leo, Luc, Marc, Mina, Alan, Aude, Clã, Paul, Romi, Audrey, Lise, Theo, Eric, Herv, Yann, Marie, Alain, Andre, Annie, Ambre, Assia, Jean, and Carole