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Cognomen Leyser (Leyser , 利泽 , לייזר ) , throughout the world, is quite a rare last name. The last name Leyser is characteristic of Israel, where it is quite a rare surname, Nicaragua, and Germany, where it is a rare surname. Measured by absolute frequency, it is commonest in Germany, Israel, and Brazil. Also, Leyser is the forename as well as the last name.