All over the world, Dayoung (Dayoung 
, 다영 ) is quite a rare feminine first name. The forename Dayoung is characteristic of South Korea, where it is quite a rare feminine name, Indonesia, where it is a very rare feminine name, and the United States, where it is an extremely rare gender-neutral name. Much less frequently, Dayoung is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dayoung | China, Indonesia, South Korea, Singapore, United States |
| 다영 | South Korea |
| dayoung oh researcher |
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| dayoung bae researcher |
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| dayoung kang researcher (ORCID 0000-0002-0123-6475) |
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| dayoung jung researcher (ORCID 0000-0002-1203-3737) |
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| dayoung joung researcher (ORCID 0000-0001-6496-9265) |
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| dayoung lee researcher |
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| dayoung kim researcher (ORCID 0000-0002-4141-6032) |
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| dayoung ko researcher |
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An, Sung, Seon, Song, Chae, Choi, Choe, Kang, Kimn, Kwon, Park, Jang, Jeon, Jung, Hong, Yang, Yoon, Chang, Chung, Jeong, Hwang, Schwab, Shin, Moon, Yun, Yoo, Ko, Ju, Na, Oh, Yu, Yi, Min, Son, Ahn, Cho, Cheong, Bae, Kim, Ryu, Lee, Lim, Joo, Jun, Nam, Noh, Han, Woo, Koh, and Foughty