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Globally, Seik (Seik , Seikka ) is a rare predominantly masculine, but scarcely female given name. The first name Seik is habitual in South Korea, where it is a rare masculine name, Saudi Arabia, where it is a very rare masculine name, and Myanmar. In absolute terms, it is commonest in South Korea, India, and Saudi Arabia. Likewise, Seik is the last name as well as the forename.