Surname Ulon (Ulon 
) , across the world, is a rare last name. The family name Ulon is habitual in Argentina, where it is a rare surname, Philippines, where it is a very rare surname, and France, where it is an extremely rare surname. In absolute terms, this name is the most popular in Argentina, the United States, and Philippines. Likewise, Ulon is the forename as well as the last name.