Last name Seungheon (승헌 
, Seungheon 
) , all around the world, is an extremely rare cognomen. The family name Seungheon is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more frequently, Seungheon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 승헌 | South Korea |
| Seungheon | New Zealand, South Korea, United States |