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