Family name Radavičius (Radavičius 
) , in all the world, is a very rare cognomen. The family name Radavičius is characteristic of Northern Europe, particularly Lithuania, where it is quite a rare surname.
| jonas radavičius LT (b. 1837) |
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| boleslovas radavičius LT (b. 1863) |
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| vytautas radavičius Lithuanian doctor, LT (b. 1954) |
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| danielius radavičius Lithuanian Righteous Among the Nations, LT |
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