Surname Эрнист (Эрнист 
) , globally, is quite a rare last name. The surname Эрнист is characteristic of Kyrgyzstan, where it is quite a common surname, and Russia, where it is an extremely rare surname. Likewise, Эрнист is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Эрнист | Azerbaijan, Kyrgyzstan, Kazakhstan, Russia |