Surname 幸成 (幸成 
) , globally, is a very rare cognomen. The family name 幸成 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 幸成 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 幸成 | China |
| 家村 幸成 Japanese actor and seiyū, JP (b. 1972) |
|