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