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Cognomen Chamoun (שמעון , شمعون , Chamoun ) , worldwide, is a common family name. The family name Chamoun is habitual in Western Asia, particularly Lebanon, where it is a common surname, Israel, where it is quite a common surname, and Syria, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Lebanon, Sudan, and Israel. Likewise, Chamoun is the forename as well as the last name.