Surname Ермак-Ермашко (Ермак-Ермашко 
) , around the world, is a very rare last name. The cognomen Ермак-Ермашко is characteristic of Eastern Europe, particularly Russia, where it is a very rare surname. Parts of the name also exists independently as a last name Ермак.
| VARIANT | COUNTRY |
|---|---|
| Ермак-Ермашко | Russia |