Globally, Jaejoon (Jaejoon 
) is a rare male given name. The first name Jaejoon is habitual in Eastern Asia, particularly South Korea, where it is quite a rare boy's name. Very seldom, Jaejoon is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Jaejoon | Singapore, South Korea, Malaysia, United States, China |
| jaejoon lee researcher |
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| jaejoon song researcher |
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| jaejoon han researcher |
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| jaejoon choi researcher (ORCID 0000-0002-6695-2157) |
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| jaejoon lim researcher |
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