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