Surname 종성 (종성 
, Jongsung 
, Jongseong ) , around the world, is a rare last name. The family name 종성 is characteristic of South Korea, where it is a rare surname, China, where it is an extremely rare surname, and the United States. Much more frequently, 종성 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 종성 | South Korea |
| Jongsung | Brazil, China, South Korea, Australia, United States |
| Jongseong | South Korea, United States, Brazil, China |