Surname トン (Tong 
, Tung , Ton ) , worldwide, is a widespread last name. The surname トン is characteristic of Hong Kong, where it is a widespread surname, Macao, where it is a common surname, and Bermuda (explore the name in all countries). In absolute terms, it is commonest in China, Malaysia, and Hong Kong. Much less frequently, トン is the forename as well as the last name.