Surname ดวล (Duan 
, ดวล 
, Dueloh 
) , all around the world, is a widespread family name. The cognomen ดวล 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, the name is most common in China, India, and the United States. Very seldom, ดวล is the forename as well as the last name.