Family name 桓瑛 (桓瑛 
) , in the entire world, is a very rare cognomen. The cognomen 桓瑛 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 桓瑛 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 桓瑛 | China |