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