Surname Žalkauskas (Žalkauskas 
) , in all the world, is a very rare last name. The cognomen Žalkauskas is characteristic of Northern Europe, particularly Lithuania, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Žalkauskas | Lithuania |
Zalkauskas, and Жалкаускас
|
karolis žalkauskas LT (b. 1892) |
|