Surname 贵垣 (贵垣 
) , in the entire world, is a very rare last name. The family name 贵垣 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 贵垣 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 贵垣 | China |