Family name フレール (Frere 
, Frère , Frers 
) , all over the world, is a common cognomen. The surname フレール is characteristic of Belgium, where it is quite a common surname, Haiti, where it is quite a rare surname, and France. Measured by absolute frequency, the name is most common in France, Belgium, and the United States. Very seldom, フレール is the forename as well as the last name.