Allonia \a-llo-nia\ as a girl's name is a variant of Alona (Hebrew), and the meaning of Allonia is "oak tree".

The baby name Allonia sounds like Alonia and Allona. Other similar baby names are Adonia, Allena, Alonna, Allyna, Allina, Allana, Albinia, Alsinia, Allcinia, Alcinia, Aldona, Alonza, Allysia, Allecia, Allicia, Allidia, Alldonna, Alldona, Aldonna, Allia, Alloura, Alonsa, Alvinia, Apollonia, Apolonia, Yllona, Illona, Ellona, Valonia and Vallonia.