Around the world, 시윤 (시윤 
, Si-Yun 
) is a rare unisex forename. The first name 시윤 is characteristic of Eastern Asia, particularly South Korea, where it is quite a rare gender-neutral name.
| 이시윤 South Korean academic, KR (b. 1935) |
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윤시윤 South Korean actor, KR (b. 1986) |
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김시윤 South Korean pro gamer, KR (b. 1990) |
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| 한시윤 South Korean actress, KR (b. 1983) |
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| 장시윤 South Korean baseball player (1993-), KR (b. 1993) |
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| 조시윤 South Korean actress, KR (b. 1996) |
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