Last name Jean-Denis (Jean-Denis 
) , in all the world, is a rare family name. The last name Jean-Denis is habitual in France, where it is a rare surname, Belgium, where it is a very rare surname, and Canada. In absolute terms, it most frequently occurs in France, the United States, and Canada. Much more frequently, Jean-Denis is the forename as well as the last name. Parts of the name also exists independently as a first name Jean, and a first name Denis.
| VARIANT | COUNTRY |
|---|---|
| Jean-Denis | Belgium, Japan, Democratic Republic of the Congo, France, Canada |
Roy, Bernard, Besnard, Boucher, Richard, Gasnier, Grondin, Laurent, Lambert, Lafitte, Etienne, Hoareau, Vincent, Martinez, Beaudoin, Bouchard, Bousquet, Gauthier, Langevin, Lapointe, Tremblay, Fournier, Carrier, Meunier, Techer, Laurin, Rey, Cote, Roux, Hatt, Morin, Boyer, Blanc, Roche, Martin, Muller, Pelletier, Simard, Côté, Barbet, Parent, Perron, Robert, Durand, Dubois, Dufour, Gagnon, Girard, Cantin, and Boudreault