Surname Stanislauskas (Stanislauskas 
) , across the world, is a very rare last name. The cognomen Stanislauskas is habitual in Lithuania, where it is quite a rare surname, Ireland, where it is a rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Stanislauskas | Ireland, United States, Brazil, Lithuania |
| jonas stanislauskas Lithuanian teacher (1919-1976), LT (b. 1919) |
|