Family name Guo Xin (Guo Xin 
) , in the world, is an extremely rare surname. The last name Guo Xin is characteristic of South-eastern Asia, particularly Malaysia, where it is a very rare surname, and Thailand, where it is an extremely rare surname. More frequently, Guo Xin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guo Xin | Thailand, Malaysia, China, Singapore, Canada |