Cognomen Baihn (Baihn 
) , in all the world, is a very rare family name. The last name Baihn is characteristic of Australia, where it is a rare surname, New Zealand, where it is a very rare surname, and the United States, where it is an extremely rare surname. More prevalently, Baihn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Baihn | Australia, Democratic Republic of the Congo, New Zealand, United States |