Lanessa \l(a)-nessa, lan(es)-sa\ as a girl's name is a variant of La- (American). See for meaning of Lanessa.
The baby name Lanessa sounds like Lynessa, Laniece, Lanice, Lenis, Lenos, Lynsey, Lynnsey, Linsie, Linsey and Linsay. Other similar baby names are Danessa, Janessa, Lanesha, Ranessa and Vanessa.