All around the world, 铜洪 (铜洪 
) is a very rare female first name. The given name 铜洪 is habitual in Eastern Asia, particularly China, where it is an extremely rare feminine name. Very seldom, 铜洪 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 铜洪 | China |