Cognomen Еркынбек (Еркынбек 
) , worldwide, is an extremely rare last name. The cognomen Еркынбек is habitual in Central Asia, particularly Kazakhstan, where it is a very rare surname. More prevalently, Еркынбек is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Еркынбек | Kazakhstan |