Across the world, Seongjun (성준 
, Seongjun 
) is quite a rare boy's forename. The forename Seongjun is habitual in Eastern Asia, particularly South Korea, where it is quite a rare boy's name.
| VARIANT | COUNTRY |
|---|---|
| 성준 | South Korea |
| Seongjun | Canada, United States, South Korea, Cambodia, China |
| seongjun han researcher |
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| seongjun ha researcher (ORCID 0000-0001-9664-0827) |
|
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| seongjun yoon Ph.D. Korea Advanced Institute of Science and Technology 2017 |
|
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| seongjun park researcher (ORCID 0000-0002-2622-8324) |
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| seongjun yeom Ph.D. Chungbuk National University 2018 |
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| seongjun park researcher (ORCID 0000-0002-1981-9628) |
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| seongjun so researcher |
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