Family name פאהן (Fahn 
, פאהן 
) , in the entire world, is quite a rare last name. The cognomen פאהן is habitual in Liberia, where it is quite a rare surname, Hungary, where it is a rare surname, and Germany. Not in comparison with a country's population, it is commonest in Germany, Liberia, and the United States. Much less frequently, פאהן is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fahn | Germany, United States, Argentina, Democratic Republic of the Congo, Liberia |
| פאהן | Israel |
|
אברהם פאהן Israeli botanist (1916-2012), IL (b. 1916) |
|