Last name Chwostow (Хвостов 
, Chwostow 
) , in the world, is quite a common cognomen. The cognomen Chwostow is characteristic of Eastern Europe, particularly Russia, where it is quite a rare surname, Belarus, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Хвостов | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Chwostow | Germany |