Family name Леру (Leroux 
, Леру 
) , around the globe, is a common cognomen. The last name Леру is habitual in France, where it is quite a common surname, Reunion, and Jersey (explore the name in all countries). Measured by absolute frequency, it is the most numerous in France, Canada, and the United States. Very seldom, Леру is the forename as well as the last name.