Cognomen Loil (Loil 
) , in all the world, is a rare last name. The cognomen Loil is habitual in France, where it is a rare surname, Myanmar, where it is a very rare surname, and Thailand, where it is an extremely rare surname. In absolute terms, this name is the most popular in France, Myanmar, and the United States. Likewise, Loil is the forename as well as the last name.