Family name Бернотавичус (Бернотавичус 
) , around the world, is an extremely rare cognomen. The cognomen Бернотавичус is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname. Likewise, Бернотавичус is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Бернотавичус | Russia, Belarus |