Last name Jaou (Jaou 
) , in the world, is a rare family name. The family name Jaou is characteristic of Morocco, where it is a rare surname, France, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Morocco, China, and France. Very seldom, Jaou is the forename as well as the last name.