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Worldwide, Hayer (Hay , Haye , Hayer ) is a common gender-neutral given name. The first name Hayer is habitual in Tunisia, where it is quite a common unisex name, Algeria, where it is quite a rare gender-neutral name, and Hong Kong, where it is quite a rare dominantly boy's, but uncommonly girly name. Not in comparison with a country's population, this name is the most popular in Ethiopia, Algeria, and Tunisia. Likewise, Hayer is the last name as well as the forename.
Hayer is also a name for the fictitious and mythical characters: Hay Lin , the W.I.T.C.H. character.