Cognomen 晟莹 (晟莹 
) , throughout the world, is a very rare surname. The last name 晟莹 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 晟莹 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 晟莹 | China |