Surname 盛岩 (盛岩 
, Moriiwa 
) , globally, is quite a rare cognomen. The last name 盛岩 is characteristic of Eastern Asia, particularly Japan, where it is quite a rare surname, and China, where it is an extremely rare surname. Very seldom, 盛岩 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 盛岩 | China |
| Moriiwa | Japan |