Dannelle \d(an)-nelle, dann(el)-le\ as a girl's name is a variant of Danna (Old English). See for meaning of Dannelle.
The baby name Dannelle sounds like Danielle, Danyelle, Dannielle, Danelle, Daanelle, Dannell, Dawnelle and Donnelle. Other similar baby names are Darnelle and Jannelle.