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, Russia, Kyrgyzstan, Belarus, Ukraine |
| Сытников | Azerbaijan, Kazakhstan, Russia, Belarus, Ukraine |
| Sytnykov | Mexico, Canada |