Throughout the world, 沫瀚 (沫瀚 
) is a very rare female forename. The forename 沫瀚 is characteristic of Eastern Asia, particularly China, where it is an extremely rare female name. Very seldom, 沫瀚 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 沫瀚 | China |