Globally, Seongjin (Seongjin 
) is a rare female first name. The given name Seongjin is characteristic of Eastern Asia, particularly South Korea, where it is a rare girly name. Very seldom, Seongjin is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Seongjin | Singapore, United States, South Korea, Malaysia, China |
| seongjin hong environmental science researcher at Chungnam National University |
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| seongjin heo researcher |
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| seongjin her researcher (ORCID 0000-0002-5817-2206) |
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| seongjin choi researcher |
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| seongjin seo researcher |
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