Surname Gradauskas (Gradauskas 
) , across the world, is a very rare last name. The last name Gradauskas is characteristic of Lithuania, where it is quite a rare surname, and Argentina, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gradauskas | Lithuania, Argentina |
| jonas gradauskas Lithuanian pediatric surgeon and university teacher (1923-2018), LT (b. 1923) |
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| liubomiras gradauskas Lithuanian university teacher and radiologist (1929-2012), LT (b. 1929) |
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| algirdas gradauskas Lithuanian actor, LT (b. 1973) |
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