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Around the world, Dīk (Dyke , Diek , Deich ) is quite a rare primarily male, but very infrequently feminine first name. The given name Dīk is characteristic of the Democratic Republic of the Congo, where it is a rare boy's name, South Africa, and Indonesia, where it is a rare gender-neutral name. Measured by absolute frequency, it is the most numerous in the Democratic Republic of the Congo, Indonesia, and the United States. More frequently, Dīk is the last name as well as the forename.
Dīk is also a name for the fictitious and mythical characters: .