Last name Supong (สุพงษ์ 
, Supong 
, สุพงศ์ ) , around the world, is quite a rare cognomen. The surname Supong is habitual in Thailand, where it is quite a rare surname, Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Likewise, Supong is the forename as well as the last name.