Cognomen Orillon (Orillon 
, Oricula 
) , in the entire world, is a very rare last name. The last name Orillon is characteristic of France, where it is a very rare surname, Canada, where it is an extremely rare surname, and Spain. Not in comparison with a country's population, the name is most common in France, China, and Canada. Likewise, Orillon is the forename as well as the last name.