Surname Posdnjakow (Поздняков 
, Posdnjakow 
) , in all the world, is a common family name. The last name Posdnjakow is habitual in Eastern Europe, particularly Russia, where it is quite a common surname, Belarus, and Ukraine, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Поздняков | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Posdnjakow | Germany |
Pozdniakov, and Pozdnyakov