Cognomen 柯拉 (Cola 
, Collard , 柯拉 
) , across the world, is a common last name. The cognomen 柯拉 is characteristic of San Marino, where it is quite a common surname, Belgium, and Luxembourg (explore the name in all countries). Not in comparison with a country's population, it is commonest in India, France, and Italy. Very seldom, 柯拉 is the forename as well as the last name.