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Cognomen Paen (แปน , Paen
, แปร
) , in the world, is a rare surname. The family name Paen is habitual in Malaysia, where it is a rare surname, Israel, and Thailand, where it is a very rare surname. In absolute terms, it is commonest in Malaysia, Thailand, and the United States. More prevalently, Paen is the forename as well as the last name.