Cognomen Gavaller (Gavaller 
) , globally, is a rare last name. The last name Gavaller is habitual in Hungary, where it is quite a rare surname, Slovenia, where it is a rare surname, and Germany, where it is a very rare surname. In absolute terms, this name is the most popular in Hungary, the United States, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Gavaller | Germany, United Kingdom, Hungary, United States, Slovenia |