Last name 晟瀛 (晟瀛 
) , globally, is a very rare cognomen. The family name 晟瀛 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 晟瀛 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 晟瀛 | China |