Last name Petkūnas (Petkūnas 
) , in the entire world, is a very rare family name. The surname Petkūnas is habitual in Northern Europe, particularly Lithuania, where it is a rare surname.
| kęstutis albinas petkūnas Lithuanian artist, LT (b. 1945) |
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| vytautas petkūnas LT (b. 1959) |
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| darius petkūnas Lithuanian theologian, LT (b. 1969) |
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| jurgis petkūnas Lithuanian bishop of the 16th century, LT |
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| andrius petkūnas Lithuanian basketball player, LT (b. 1983) |
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