Surname Tsyolko (Tsyolko 
, Цьолко 
) , around the world, is a very rare last name. The surname Tsyolko is habitual in Eastern Europe, particularly Ukraine, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tsyolko | Russia |
| Цьолко | Ukraine, Russia |