Surname 米尔丁 (Myrddin 
, 米尔丁 
) , all around the world, is a very rare cognomen. The cognomen 米尔丁 is characteristic of the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname. More prevalently, 米尔丁 is the forename as well as the last name.