Family name Vaitkūnas (Vaitkūnas 
) , worldwide, is a very rare cognomen. The last name Vaitkūnas is characteristic of Northern Europe, particularly Lithuania, where it is quite a rare surname.
| domas vaitkūnas LT (b. 1893) |
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| arūnas vaitkūnas LT (b. 1956) |
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| mindaugas vaitkūnas Lithuanian mixed martial artist (b. 1997) |
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