Shanessa \sh(a)-nessa, shan(es)-sa\ as a girl's name is a variant of Sha- (American). See for meaning of Shanessa.
The baby name Shanessa sounds like Shanisse, Shaneese, Shanese and Shawnessy. Other similar baby names are Danessa, Janessa, Gianessa, Lanessa, Ranessa, Shanetta, Shaneka, Shanea, Shaneika, Shaneyka, Shanequa, Shanecka, Shanella, Sharissa and Vanessa.