Last name Leyat (Leyat 
) , throughout the world, is a rare surname. The surname Leyat is habitual in Switzerland, where it is a rare surname, Ethiopia, where it is a very rare surname, and France. Very seldom, Leyat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leyat | Canada, France, United States, Ethiopia, Switzerland |
| paul leyat French engraver born in Swiss, CH (b. 1870) |
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| robert leyat FR (b. 1896) |
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Mr, Luc, Alix, Anais, Bruno, Cédric, Nicolas, Norbert, Stéphane, Timothée, Frédéric, Pierre-Alain, Jean-Clement, and Jean-François