Jahnessa \ja(h)-nessa, jahn(es)-sa\ as a girl's name.

The baby name Jahnessa sounds like Janessa and Jannessa. Other similar baby names are Danessa, Janeesa, Jalessa, Janissa, Janesse, Janessia, Janess, Jenessa, Jinessa, Jennessa, Jonessa, Lanessa, Ranessa, Vanessa and Vannessa.