Cognomen Etko (Etko 
, Етко 
, Этко 
) , across the world, is a rare last name. The family name Etko is habitual in Belarus, where it is quite a rare surname, Russia, where it is a very rare surname, and Kazakhstan. Very seldom, Etko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Etko | Spain, Belarus, United Kingdom, Nigeria, Germany |
| Етко | Russia, Ukraine, Kazakhstan, Belarus |
| Этко | Russia, United States, Kazakhstan |
| viorel etko British amateur wrestler, GB (b. 1978) |
|