Surname 瀚蕴 (瀚蕴 
) , around the world, is a very rare cognomen. The family name 瀚蕴 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 瀚蕴 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 瀚蕴 | China |