Surname 상구 (상구 
, Sanggu 
) , globally, is a rare last name. The surname 상구 is characteristic of South-eastern Asia, particularly Indonesia, where it is a rare surname, Malaysia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Indonesia, Malaysia, and India. More frequently, 상구 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 상구 | South Korea |
| Sanggu | United States, India, South Korea, Indonesia, Malaysia |