Joelle \jo(el)-le\ as a girl's name is pronounced joh-EL. It is of French origin, and the meaning of Joelle is "Jehovah is God". Feminine form of Joel. It can also be taken as a combination of Jo and the feminine suffix -elle. Actresses Joely Fisher, Joely Richardson.
Joelle has 14 variant forms: Joela, Joelin, Joell, Joella, Joellen, Joelliane, Joellin, Joelly, Joellyn, Joely, Joelynn, Joetta, Jowella and Jowelle.