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