Last name Seung-Gyu (승규 
, Seung-Gyu) , globally, is an extremely rare cognomen. Much more frequently, Seung-Gyu is the forename as well as the last name. Parts of the name also exists independently as a first name Seung, and a first name Gyu.
| VARIANT | COUNTRY |
|---|---|
| 승규 | South Korea |
| kim seung-gyu South Korean judoka (1967-), KR (b. 1967) |
|