Cognomen Jaisung (Jaisung 
) , throughout the world, is a very rare last name. The surname Jaisung is habitual in Thailand, where it is a very rare surname, China, where it is an extremely rare surname, and the United States. More frequently, Jaisung is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaisung | South Korea, India, United States, Thailand, China |