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Throughout the world, هایدا (Heida , هایدا) is a rare girly forename. The forename هایدا is habitual in Iceland, where it is quite a common feminine name, the Democratic Republic of the Congo, where it is a rare girly name, and Tunisia. Measured by absolute frequency, it is the most numerous in the Democratic Republic of the Congo, the United States, and Brazil. More prevalently, هایدا is the last name as well as the forename.
هایدا is also a name for the fictitious and mythical characters: .