In the world, Fahrni (Fahrni 
, Фарні 
) is a very rare boy's first name. The forename Fahrni is habitual in Western Europe, particularly Switzerland, where it is a rare boy's name. More prevalently, Fahrni is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Fahrni | Germany, Switzerland, United States, Canada, France |
| Фарні | Ukraine |