In the Greek origin, Appolonia means "Appolonia \a-ppolo-nia, app(o)-lonia\ as a girl's name is a variant of Apollonia (Greek). See for meaning of Appolonia.
The baby name Appolonia sounds like Apolonia and Appolinia. Other similar baby names are Alonia, Allonia, Apollinia, Appoline and Apolena."