Last name Saefong (Saefong 
, แซ่ฟอง, แซ่โฟ่ง) , across the world, is a rare surname. The surname Saefong is characteristic of Laos, where it is quite a rare surname, Thailand, where it is a rare surname, and Canada. Not in comparison with a country's population, the name is most common in the United States, Thailand, and Laos. Much less frequently, Saefong is the forename as well as the last name.