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