Around the globe, 재신 (재신 
, Jaesin 
, Jae-Shin 
) is a rare boy's given name. The first name 재신 is characteristic of South Korea, where it is quite a rare male name, India, where it is a very rare boy's name, and Indonesia.
| VARIANT | COUNTRY |
|---|---|
| 재신 | South Korea |
| Jaesin | China, Indonesia, South Korea, United States, India |
| Jae-Shin | Canada, United States |
| 노재신 South Korean actress, KR (b. 1916) |
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| 김재신 South Korean diplomat, KR (b. 1957) |
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| 반재신 politician, KR (b. 1962) |
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| 김재신 South Korean footballer, KR (b. 1973) |
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| 이재신 Korean composer of classical music and opera, KR (b. 1975) |
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| 유재신 South Korean baseball player (1987-), KR (b. 1987) |
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