Cognomen Seung-Heon (승헌 
, Seung-Heon 
) , in the world, is an extremely rare surname. Much more prevalently, Seung-Heon 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 Heon.
| VARIANT | COUNTRY |
|---|---|
| 승헌 | South Korea |
| Seung-Heon | South Korea, United States |