Family name Jeongseong (Jeongseong 
) , all around the world, is a very rare last name. The last name Jeongseong is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jeongseong | China |
Jeong-Seong, Йеонгсеонг, ジョンソン, and 정성