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Cognomen Haon (Haon
) , all around the world, is quite a rare last name. The surname Haon is habitual in Monaco, where it is quite a common surname, France, where it is quite a rare surname, and Malaysia, where it is a rare surname. Not in comparison with a country's population, it is commonest in France, Malaysia, and Argentina. Much less frequently, Haon is the forename as well as the last name.