Family name Феферман (Феферман 
) , in all the world, is a very rare last name. The cognomen Феферман is habitual in Kyrgyzstan, where it is a rare surname, Belarus, where it is a very rare surname, and Ukraine. Not in comparison with a country's population, it is the most numerous in Eastern Europe, particularly Russia, Ukraine, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Феферман | Kazakhstan, Ukraine, Belarus, Kyrgyzstan, Russia |