Last name Билен (Bilen 
, Bylen 
, Билен 
) , all around the world, is quite a common family name. The family name Билен is habitual in Croatia, where it is quite a rare surname, Lebanon, and Turkey. Measured by absolute frequency, it is the most numerous in Turkey, Ethiopia, and Germany. Very seldom, Билен is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bilen | Turkey, Germany, Ethiopia, Lebanon, Croatia |
| Bylen | Germany, Sweden, Belgium, United States, Poland |
| Билен | Kyrgyzstan, Kazakhstan, Russia |
| билен салиу politician, MK (b. 1975) |
|