Cognomen Jongwoo (Jongwoo 
) , worldwide, is quite a rare surname. The cognomen Jongwoo is habitual in South Korea, where it is quite a rare surname, Singapore, where it is a rare surname, and China, where it is an extremely rare surname. More frequently, Jongwoo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jongwoo | Japan, China, South Korea, United States, Canada |