Cognomen 嗣瀚 (嗣瀚 
) , around the globe, is a very rare last name. The last name 嗣瀚 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 嗣瀚 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 嗣瀚 | China |