Around the globe, 瀚蒙 (瀚蒙 
) is a very rare male first name. The forename 瀚蒙 is habitual in Eastern Asia, particularly China, where it is an extremely rare boy's name. Very seldom, 瀚蒙 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 瀚蒙 | China |