Family name ต้อง (Tong 
, Musto 
, Gotto 
) , around the world, is a widespread last name. The family name ต้อง is characteristic of Macao, where it is a common surname, Hong Kong, and Bermuda (explore the name in all countries). In absolute terms, the name is most common in China, Malaysia, and Hong Kong. Very seldom, ต้อง is the forename as well as the last name.