Last name 莫尔丹 (Mordan 
, 莫尔丹 
) , in all the world, is quite a rare surname. The last name 莫尔丹 is habitual in the Dominican Republic, where it is quite a common surname, Estonia, where it is quite a rare surname, and Panama, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in the Dominican Republic, the United States, and France. Very seldom, 莫尔丹 is the forename as well as the last name.