Dayanira \da-yanira, daya-ni-ra\ as a girl's name is a variant of Deyanira (Spanish, Greek), and the meaning of Dayanira is "devastating, capable of great destruction".

The baby name Dayanira sounds like Diyanira and Daianira. Other similar baby names are Danira, Dayana, Dejanira, Deianira, Dayanna and Dyandra.