Around the world, Sung-Jun (성준 
, Sung-Jun 
) is quite a rare masculine forename. The given name Sung-Jun is habitual in Eastern Asia, particularly South Korea, where it is quite a rare boy's name. Parts of the name also exists independently as a last name Sung, and a first name Jun.
| VARIANT | COUNTRY |
|---|---|
| 성준 | South Korea |
| Sung-Jun | South Korea, United States |
Seong-Joon, Seong-Jun, Seung-Yoon, Sung-Joon, ソンジュン, and 승윤
| sung-jun park researcher (ORCID 0000-0002-6935-569X) |
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| sung-jun lim researcher |
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| sung-jun park researcher (ORCID 0000-0001-6897-8740) |
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| sung-jun moon researcher |
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| sung-jun kim researcher |
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| lee sung-jun South Korean male curler and coach, KR (b. 1982) |
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