Globally, 洪鋆 (洪鋆 
) is a very rare girly forename. The given name 洪鋆 is habitual in Eastern Asia, particularly China, where it is an extremely rare feminine name. Much less frequently, 洪鋆 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 洪鋆 | China |