Family name 銅 (Dong 
, 銅 ) , across the world, is a prevalent last name. The cognomen 銅 is habitual in British Virgin Islands, where it is a common surname, Cayman Islands, and China (explore the name in all countries). Measured by absolute frequency, it is commonest in China, the United States, and Vietnam. Very seldom, 銅 is the forename as well as the last name.