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Cognomen Haining (海宁 , Haining
) , around the world, is a common family name. The last name Haining is habitual in China, where it is quite a rare surname, Australia, where it is a rare surname, and the United Kingdom. Not in comparison with a country's population, it is commonest in China, the United Kingdom, and the United States. More prevalently, Haining is the forename as well as the last name.