Surname 은주 (은주 
, Eunju 
, Eun-Ju ) , throughout the world, is quite a rare last name. The family name 은주 is habitual in South Korea, where it is quite a rare surname, Malaysia, where it is a very rare surname, and China, where it is an extremely rare surname. Predominantly, 은주 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 은주 | South Korea |
| Eunju | Australia, South Korea, United States, China, Canada |
| Eun-Ju | South Korea, United States |