Last name Jean-Sylvain (Jean-Sylvain 
) , in the entire world, is an extremely rare surname. The family name Jean-Sylvain is habitual in Western Europe, particularly France, where it is an extremely rare surname. Much more prevalently, Jean-Sylvain 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 Sylvain.
| VARIANT | COUNTRY |
|---|---|
| Jean-Sylvain | Democratic Republic of the Congo, United States, France, Canada |
Fau, Roveri, Godelu, Girard, Landry, Loezic, Minssen, Alberti, Campeau, Caillou, Bragard, Pigelet, Jacquet, Chavanne, Bergeron, Demelier, Gouranton, Lenepveu, Tremblay, Frossard, Fourquet, Bellengier, Philys, Piniau, Ponroy, Proulx, Bons, Bing, Prot, Fiol, Oury, Weil, Marre, Masse, Morel, Sodji, Bourgenot, Cabot, Barel, Boige, Kassi, René, Labbe, Bailly, Beaune, Boudoy, Paszek, Perrig, Barbe, and Marchessou