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 | United States, Lithuania, Ireland, Brazil |
| jonas stanislauskas Lithuanian teacher (1919-1976), LT (b. 1919) |
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