Surname Pongtong (Ponton 
, พงษ์ทอง 
, Pongtong 
) , worldwide, is a common last name. The last name Pongtong is habitual in Colombia, where it is quite a rare surname, Puerto Rico, and France. Measured by absolute frequency, it is the most numerous in Colombia, the United States, and France. Very seldom, Pongtong is the forename as well as the last name.