Globally, Sungkyu (Sungkyu 
) is a very rare largely male, but seldom girly first name. The first name Sungkyu is habitual in Northern America, particularly the United States, where it is an extremely rare gender-neutral name. Much less frequently, Sungkyu is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Sungkyu | Australia, South Korea, United States, Japan, China |
| sungkyu park researcher (ORCID 0000-0002-2607-2120) |
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| sungkyu lee researcher |
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| sungkyu jung researcher |
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| sungkyu seo researcher |
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| sungkyu cho researcher (ORCID 0000-0003-0492-2814) |
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| sungkyu jung Ph.D. The University of North Carolina at Chapel Hill 2011 |
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