Family name Jongseob (Jongseob 
) , in the entire world, is a very rare cognomen. The family name Jongseob is habitual in China, where it is an extremely rare surname, and the United States. Much more frequently, Jongseob is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jongseob | China, South Korea, United States, Canada, Brazil |