Cognomen Byeongseong (Byeongseong 
) , all over the world, is a very rare last name. The surname Byeongseong is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, Byeongseong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Byeongseong | China, South Korea, United States |