Across the world, Sung-Gyu (성규 
, Sung-Gyu 
) is quite a rare male given name. The first name Sung-Gyu is characteristic of Eastern Asia, particularly South Korea, where it is quite a rare male name. Parts of the name also exists independently as a last name Sung, and a first name Gyu.
| sung-gyu park researcher |
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| sung-gyu kang researcher (ORCID 0000-0002-8508-9010) |
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| han sung-gyu South Korean footballer (b. 1993) |
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