Throughout the world, Deydier (Deydier 
) is an extremely rare unknown gender first name. Much more prevalently, Deydier is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Deydier | Belgium, India, France, Brazil, Slovakia |
Mr, Aurã, Cyril, Bruno, Brune, Roger, Renan, Denis, David, Laura, Laury, Lilou, Louis, Lydie, Johan, Julia, Julie, Théo, Tymèle, Estel, Erwin, Emily, Annie, Andre, Alain, Swane, Ms, Tom, Marc, Mina, Alex, Arno, Aude, Paul, Rene, Rudy, Ilona, Joel, Juju, Nico, Numa, Eric, Fefe, Yann, Marie, Marly, Manon, Serge, Jean, and Odile