Cognomen Bongsung (Bongsung 
) , around the world, is an extremely rare last name. The family name Bongsung is habitual in Thailand, where it is an extremely rare surname, and India. Much more prevalently, Bongsung is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bongsung | United States, India, South Korea, Thailand |