The name Lilou is a girl's name of French origin meaning "lily". Lilou and is often added to lists like Cool Girl Names From Around the World and discussed in our forums with posts like "Generation CAF (61)".
From the experts:
Lilou is a charming, rarely heard import. Occitan is a language spoken in Provence, in the south of France, in which the suffix "ou" denotes a pet form — thus, Lilou as a short form of Liliane or its Occitan form Liliana or Liliano. Its popularity in France--where it's currently Number 12--can be traced to the 1997 film The Fifth Element.
Pronounced lee-loo, this is an enchanting option.