Surname Чангю (Changju 
, Чангю 
) , throughout the world, is a rare last name. The last name Чангю is characteristic of South Korea, where it is a rare surname, China, where it is an extremely rare surname, and India. More prevalently, Чангю is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Changju | China, South Korea, Taiwan, United States, India |
| Чангю | Russia |