In the entire world, Casterman (Casterman 
) is an extremely rare masculine first name. Much more frequently, Casterman is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Casterman | Belgium, France, United States, Germany, South Africa |
Mr, Julia, Julie, Jules, Marine, Maxime, Melvin, Sabine, Sophie, Sylvie, André, Annick, Arnaud, Pierre, Romane, Regina, Damien, Gilles, Lionel, Thomas, Nicole, Edwige, Louis, Lenny, Gaël, David, Ms, Sã, Luc, Marc, Mark, Mack, Anne, Rose, Gwen, Loic, Hervé, John, Teon, Marie, Sarah, Alain, Alban, Carol, Cathy, Peggy, Raoul, Denis, Jean, and Fabian