Globally, Bilou (Bilou 
) is quite a rare principally boy's, but scarcely feminine first name. The given name Bilou is characteristic of Algeria, where it is quite a rare principally masculine, but very infrequently feminine name, Tunisia, where it is a rare boy's name, and France, where it is a rare dominantly boy's, but seldom feminine name. Also, Bilou is the last name as well as the forename.