Cognomen Hyunjoo (Hyunjoo 
) , in the entire world, is a very rare surname. The last name Hyunjoo is characteristic of Malaysia, where it is a very rare surname, Chile, where it is an extremely rare surname, and Canada. Not in comparison with a country's population, the name is most common in China, the United States, and Malaysia. Much more frequently, Hyunjoo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hyunjoo | Japan, China, South Korea, United States, Canada |