Last name Siyanko (Сиянко 
, Siyanko 
) , all over the world, is a rare family name. The family name Siyanko is habitual in Belarus, where it is a rare surname, Russia, and Kyrgyzstan. Not in comparison with a country's population, it most frequently occurs in Russia, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Сиянко | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Siyanko | France, United Kingdom, Germany, Russia, Ukraine |
| natalia siyanko researcher |
|
|
| sergei siyanko Ph.D. University College London 2016 |
|