Family name ด้วน (Duan 
, Amputch 
, ด้วน) , all over the world, is a widespread cognomen. The last name ด้วน is characteristic of Cayman Islands, where it is quite a common surname, China, and British Virgin Islands (explore the name in all countries). Measured by absolute frequency, this name is the most popular in China, India, and the United States. Much less frequently, ด้วน is the forename as well as the last name.