Surname Jouly (Jouly 
) , around the globe, is a rare last name. The last name Jouly is habitual in Mauritania, where it is quite a rare surname, Algeria, where it is a rare surname, and Morocco, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Mauritania, Algeria, and Indonesia. Likewise, Jouly is the forename as well as the last name.