Surname 比隆 (Biron 
, Billon 
, 比隆) , in the entire world, is a common last name. The last name 比隆 is habitual in 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, this name is the most popular in France, Philippines, and the United States. Very seldom, 比隆 is the forename as well as the last name.