Cognomen 勒沃 (勒沃 
, Leveaux 
) , worldwide, is a rare family name. The family name 勒沃 is habitual in Belgium, where it is quite a rare surname, France, and Sweden, where it is a rare surname. Measured by absolute frequency, it is commonest in France, Belgium, and the United States. Very seldom, 勒沃 is the forename as well as the last name.