Last name 대현 (대현 
, Daehyun 
, Daehyeon ) , all over the world, is a rare cognomen. The last name 대현 is habitual in Malaysia, where it is a rare surname, Vietnam, where it is an extremely rare surname, and China. Much more prevalently, 대현 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 대현 | South Korea |
| Daehyun | South Korea, Malaysia, China, Canada, United States |
| Daehyeon | China, United States, South Korea |
| Dae-Hyun | United States, South Korea |