The name Bijou is a girl's name of French origin meaning "jewel". Bijou and is often added to lists like Unique Girl Names: Unusual and Rare and discussed in our forums with posts like "Totally, Kinda, or No Way?".
From the experts:
Bijou is a name that lives up to its definition -- a real jewel. Warning: not unheard of on poodles' dog collars. Actress Bijou Phillips is its best known bearer. It can also be spelled Bijoux.