Dionna \di(on)-na\ as a girl's name is a variant of Deiondra and Dionne (English). See for meaning of Dionna. The baby name Dionna sounds like Deonna, Deionna, Dianna, Diona and Donna. Other similar baby names are Fionna, Gionna, Yionna, Kionna, Rionna and Tionna. View a list of the 2 names that reference Dionna.