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Cognomen ไวส์ (Wai , Weis , ไวส์ ) , throughout the world, is a prevalent surname. The family name ไวส์ is characteristic of Mongolia, where it is a prevalent surname, Myanmar, and Malaysia, where it is a common surname (explore the name in all countries). Measured by absolute frequency, it is commonest in Myanmar, India, and Malaysia. Also, ไวส์ is the forename as well as the last name.