Cognomen הרדין (Hardin 
, הרדין 
) , in all the world, is a common surname. The cognomen הרדין is habitual in the United States, where it is quite a common surname, Mauritius, where it is quite a rare surname, and New Zealand. In absolute terms, the name is most common in the United States, Indonesia, and Philippines. Very seldom, הרדין is the forename as well as the last name.