Family name 洪皓 (洪皓 
) , all around the world, is a very rare cognomen. The cognomen 洪皓 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 洪皓 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 洪皓 | China |