Loulou \lo(u)-lou\ as a girl's name is a variant of Lou and Lucy (Latin), and the meaning of Loulou is "light".
The baby name Loulou sounds like Lulu, Lola, Lolly, Lollie, Loelia, Lolla, Loela, Louella, Lula and Loella. Other similar baby names are Louise, Louiza, Louisa, Louann, Soulle and Toulia.