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