All over the world, Youngsoo (Youngsoo 
) is a very rare largely masculine, but infrequently female first name. The first name Youngsoo is characteristic of Northern America, particularly the United States, where it is a very rare dominantly male, but seldom feminine name. Much less frequently, Youngsoo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Youngsoo | Japan, China, South Korea, United States, Canada |
| youngsoo jun researcher |
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| youngsoo kim researcher (ORCID 0000-0001-6448-5519) |
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| youngsoo kim researcher (ORCID 0000-0001-8881-0662) |
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| youngsoo ha Ph.D. Arizona State University 2003 |
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| youngsoo choi Ph.D. Stanford University 2012 |
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| youngsoo kim researcher |
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| youngsoo kim Ph.D. University of Illinois at Urbana-Champaign 2010 |
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| youngsoo seol Ph.D. Iowa State University 2013 |
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| youngsoo lee researcher (ORCID 0000-0002-7049-6297) |
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| youngsoo kim researcher (ORCID 0000-0001-8289-0331) |
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| youngsoo lee researcher (ORCID 0000-0003-4773-6464) |
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| youngsoo kim Ph.D. University of Illinois at Urbana-Champaign 2018 |
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