Surname Janavičius (Janavičius 
, Янавичюс 
) , all around the world, is a very rare family name. The last name Janavičius is habitual in Lithuania, where it is quite a rare surname, Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Janavičius | Lithuania, United States |
| Янавичюс | Kazakhstan, Russia, Ukraine |
Janavicius, and Янавичиус
| vanda janavičius Lithuanian Righteous Among the Nations, LT (b. 1892) |
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| vaclovas janavičius (b. 1887) |
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| vytautas steponas janavičius Lithuanian writer, LT (b. 1924) |
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žygimantas janavičius Lithuanian basketballer, LT (b. 1989) |
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| arvydas juozapas janavičius LT (b. 1939) |
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| algimantas janavičius LT (b. 1952) |
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| rolandas janavičius Lithuanian singer (1970-2007), LT (b. 1970) |
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