Surname Sytnykov (Ситников 
, Сытников 
, Sytnykov 
) , all over the world, is a common last name. The family name Sytnykov is habitual in Russia, where it is quite a common surname, Kazakhstan, where it is quite a rare surname, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Ситников | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Сытников | Kazakhstan, Belarus, Azerbaijan, Russia, Ukraine |
| Sytnykov | Canada, Mexico |