Allena is a form of the English Alana.
Allena is also a form of the English, French, Italian, Polish, Russian, and Spanish Alina.
Allena is seldom used as a baby name for girls. It is not in the top 1000 names. Among the group of girl names directly related to Allena, Alina was the most commonly used in 2018.
Baby names that sound like Allena include Alleynah, Ahlama, Alanah (English), Alanice (English), Alanis (English and Irish), Alannis (English), Alannys, Alanya, Alanza, Alawna (English), Alhenah, Alimah, Allina, Allonia (English), Almasi (African and Swahili), Almea, Aloma (Latin), Alonsa, Alonza (English), and Alvanna.