Surname בילון (Billon 
, בילון 
) , across the world, is a common family name. The cognomen בילון is characteristic of Guernsey, where it is quite a common surname, France, and Ivory Coast, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in France, Ivory Coast, and Philippines. Much less frequently, בילון is the forename as well as the last name.