Vonnessa \v(on)-nessa, vonn(es)-sa\ as a girl's name is a variant of Vanessa (Greek), and the meaning of Vonnessa is "butterfly".
The baby name Vonnessa sounds like Vonessa, Vennessa and Vannessa. Other similar baby names are Jannessa, Jennessa, Jonessa, Vonesse, Vinessa, Vennesa, Venessa, Varnessa, Vannesa and Vaniessa.