Cognomen Khingthong (Khingthong 
) , worldwide, is a very rare last name. The cognomen Khingthong is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Khingthong is the forename as well as the last name.
Purich, Kannika, Parawee, Krittapas, Nathaphol, Noppapadol, Chamaiporn, and Pattaracha