Family name Louyer (Louyer 
) , across the world, is a rare cognomen. The cognomen Louyer is characteristic of France, where it is a rare surname, Argentina, and Canada, where it is an extremely rare surname. Very seldom, Louyer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Louyer | South Africa, Canada, France, Argentina, United States |
| jean-baptiste louyer-villermay French physician, FR (b. 1776) |
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| maria louyer FR (b. 1932) |
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audrey louyer MF (b. 1986) |
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Ms, Carole, Karine, Pascal, Gladys, Julien, Thomas, Ernest, Emilie, Franco, Isabel, Walter, Xavier, Mariela, Maurice, Solange, Sylvain, Anthony, Americo, Adriane, Benoît, Patrick, Audrey, Adolfo, Adrien, Amalia, Marc, Axel, Rene, Jose, Jean, Yann, Yvon, Marie, Alain, Celia, Gwendal, Cyril, Diego, Laura, Laure, Lydie, Juana, Erwan, Henri, Matias, Michel, Stella, Bryan, and Gwilherm