Surname Эрни (Erni 
, Ernie 
, Earnie 
) , all over the world, is a common last name. The family name Эрни is habitual in Switzerland, where it is quite a common surname, Liechtenstein, and Indonesia, where it is quite a rare surname. In absolute terms, this name is the most popular in Indonesia, Switzerland, and Philippines. More prevalently, Эрни is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erni | Switzerland, Philippines, United States, Malaysia, Indonesia |
| Ernie | Canada, Philippines, United States, Malaysia, Indonesia |
| Earnie | Canada, Philippines, United States, Malaysia, Australia |
| Эрни | Estonia, Russia, Kazakhstan |