Cognomen Geonwoo (Geonwoo 
) , all around the world, is a rare surname. The surname Geonwoo is characteristic of Malaysia, where it is a rare surname, South Korea, and China, where it is an extremely rare surname. More prevalently, Geonwoo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Geonwoo | Malaysia, South Korea, China, United States |