Around the world, 瀚柯 (瀚柯 
) is a very rare boy's given name. The forename 瀚柯 is characteristic of Eastern Asia, particularly China, where it is an extremely rare male name. Very seldom, 瀚柯 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 瀚柯 | China |