Surname Byeonghun (병훈 
, Byeonghun 
) , worldwide, is a rare family name. The last name Byeonghun is characteristic of South Korea, where it is a rare surname, Malaysia, where it is an extremely rare surname, and China. Not in comparison with a country's population, it is commonest in South Korea, China, and India. Predominantly, Byeonghun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 병훈 | South Korea |
| Byeonghun | South Korea, China, United States, Malaysia, India |