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Globally, Karena (Karena , Карена , カレナ) is quite a common predominantly feminine, but scarcely male first name. The first name Karena is characteristic of Macao, where it is quite a rare female name, Hong Kong, and Australia. Not in comparison with a country's population, it is commonest in the United States, Hong Kong, and Australia. Very seldom, Karena is the last name as well as the forename.