Family name Feilen (Feilen 
) , all over the world, is quite a rare last name. The cognomen Feilen is habitual in Luxembourg, where it is quite a rare surname, Germany, where it is a rare surname, and Australia. Measured by absolute frequency, it is commonest in Germany, the United States, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Feilen | Canada, France, Australia, United States, Germany |
| jean-baptist feilen Righteous Among the Nations, DE (b. 1904) |
|
|
| petra feilen German actress, DE (b. 1978) |
|
|
| katie l feilen researcher |
|