Cognomen 洪笛 (洪笛 
) , all around the world, is a very rare family name. The family name 洪笛 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 洪笛 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 洪笛 | China |