Family name 원호 (원호 
, Wonho 
, Won-Ho 
) , across the world, is a rare surname. The surname 원호 is habitual in Malaysia, where it is a rare surname, South Korea, and China, where it is an extremely rare surname. Much more prevalently, 원호 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 원호 | South Korea |
| Wonho | China, South Korea, Malaysia, Australia, United States |
| Won-Ho | China, South Korea, United States, Philippines |