Last name Flyashko (Flyashko 
, Фляшко 
) , all over the world, is a rare surname. The surname Flyashko is characteristic of Eastern Europe, particularly Ukraine, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Flyashko | Ukraine |
| Фляшко | Russia, Ukraine |