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Family name Royan (Royan
, Роиан
, Роян
) , around the world, is quite a common surname. The cognomen Royan is characteristic of Indonesia, where it is quite a rare surname, Malaysia, where it is a rare surname, and United Arab Emirates. Measured by absolute frequency, it is commonest in Indonesia, France, and India. Also, Royan is the forename as well as the last name.