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Surname Donghong (Donghong
, 东虹
, 东鸿
) , globally, is quite a rare family name. The cognomen Donghong is characteristic of Thailand, where it is a rare surname, Switzerland, where it is a very rare surname, and China. Not in comparison with a country's population, it is the most numerous in China, Thailand, and Malaysia. More frequently, Donghong is the forename as well as the last name.