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Cognomen Ean (Ean
, イアン
) , throughout the world, is a common family name. The family name Ean is characteristic of South-eastern Asia, particularly Malaysia, where it is quite a common surname, Singapore, where it is a rare surname, and Cambodia. Measured by absolute frequency, it is commonest in Malaysia, China, and Japan. Very seldom, Ean is the forename as well as the last name.