In the world, Koeun (Koeun 
) is quite a rare feminine forename. The given name Koeun is habitual in South Korea, where it is quite a rare girly name, and the United States, where it is an extremely rare unisex name. Very seldom, Koeun is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Koeun | Cambodia, Thailand, South Korea, United States, Malaysia |
| koeun kim researcher |
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| koeun choi researcher (ORCID 0000-0003-2740-9634) |
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| dul koeun Member of National Assembly of Cambodia, KH |
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| koeun lee researcher (ORCID 0000-0001-8202-3641) |
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Ke, Shin, Sung, Seng, Song, Sorn, Chan, Chea, Cheu, Choi, Kang, Keng, Park, Jung, Neak, Nhan, Yoon, Marra, Chung, Rougn, Jeong, Hwang, Heo, Maxwell, Han, Lim, Ro, Na, In, Im, Yu, Mao, Min, Mim, Mun, Muk, Mut, Seo, Cha, Cho, Bak, Bae, Koy, Kim, Pas, Ryu, Lee, Nin, and Chhoeuth