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Worldwide, Дайк (Dike , Dyke , Dayk ) is a widespread largely feminine, but infrequently boy's given name. The first name Дайк is characteristic of Nigeria, where it is quite a common largely female, but uncommonly male name, Iraq, where it is quite a rare largely female, but uncommonly masculine name, and Trinidad and Tobago, where it is quite a rare male name. Measured by absolute frequency, this name is the most popular in Nigeria, India, and Indonesia. Also, Дайк is the last name as well as the forename.
Дайк is also a name for the fictitious and mythical characters: Dike , the Greek goddess of law and justice.