Last name Эрбаш (Erbach 
, Эрбаш 
) , around the globe, is quite a rare cognomen. The last name Эрбаш is characteristic of Germany, where it is quite a rare surname, Canada, where it is a rare surname, and New Zealand. In absolute terms, the name is most common in Germany, the United States, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Erbach | Germany, Mexico, United States, Canada, Brazil |
| Эрбаш | Russia |