Family name Tông (Tong 
, Ton , 성종 
) , all over the world, is a widespread last name. The last name Tông is habitual in Macao, where it is a common surname, Hong Kong, and Bermuda (explore the name in all countries). Not in comparison with a country's population, the name is most common in China, Malaysia, and Hong Kong. Very seldom, Tông is the forename as well as the last name.