This may be a form of Deianira/Deyanira, the name of the third wife of Heracles in Greek mythology, or it may be an elaboration of the name Diana. Both Deyanira and Dayanara are used most frequently by Spanish speakers. The most famous bearer of the name is probably Dayanara Torres Delgado, a Puerto Rican actress, singer, model and former Miss Universe.
See Also: Deianira
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