Family name دونغ (Dong 
, Dung 
, Đồng 
) , in all the world, is a prevalent cognomen. The cognomen دونغ is characteristic of British Virgin Islands, where it is a common surname, Cayman Islands, and China (explore the name in all countries). In absolute terms, it is the most numerous in China, Vietnam, and Malaysia. Very seldom, دونغ is the forename as well as the last name.