Cognomen Koktong (Koktong 
) , in the entire world, is a very rare surname. The surname Koktong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Koktong is the forename as well as the last name.
Gui, Lim, Tan, Ong, Watin, Sulawan, Suriyapong, and Wongsakorn