Cognomen 昌渭 (昌渭 
) , all around the world, is a very rare surname. The cognomen 昌渭 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 昌渭 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 昌渭 | China |