Dionetta \di(o)-netta, dion(et)-ta\ as a girl's name is a variant of Dionne (English). See for meaning of Dionetta.
The baby name Dionetta sounds like Donetta and Dawnetta. Other similar baby names are Conetta, Darnetta, Doretta, Ginetta, Gianetta, Cinetta, Jonetta, Finetta, Kinetta, Linetta, Minetta, Ninetta, Vinetta and Wyonetta.