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