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Cognomen Poon (Poon
, Пун
, プーン) , globally, is a common last name. The last name Poon is habitual in Hong Kong, where it is a common surname, Bermuda, and Cayman Islands (explore the name in all countries). Measured by absolute frequency, the name is most common in Hong Kong, China, and the United States. Likewise, Poon is the forename as well as the last name.