Family name 宏洪 (宏洪 
) , all around the world, is a very rare cognomen. The last name 宏洪 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 宏洪 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 宏洪 | China |