Surname Nayou (Nayou 
) , all around the world, is a very rare family name. The cognomen Nayou is characteristic of Lebanon, where it is a rare surname, Greece, where it is a very rare surname, and France, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Lebanon, the United States, and Greece. Also, Nayou is the forename as well as the last name.