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